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VOOZH | about |
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VOOZH | about |
Cleanup listing for WikiProject Computer security as of June 16, 2026.
Of the 3579 articles in this project 1970 or 55% are marked for cleanup, with 4009 issues in total.
Listings: Alphabetic • By category • CSV • History
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| .zip (top-level domain) | Low | C | 1 | November 2024 | Potentially dated statements (November 2024) |
| /dev/random | 3 | February 2017 | Clarification needed (February 2017, March 2026), Disputed statements (December 2020) | ||
| 1984 Network Liberty Alliance | Low | Start | 2 | August 2009 | Unsourced passages need footnotes {{More citations needed}} (August 2009), Has general references but lacks inline footnotes (August 2009) |
| 2007 cyberattacks on Estonia | High | Start | 2 | April 2020 | Dead external links {{dead link}} (April 2020), Unsourced passages need footnotes {{citation needed}} (March 2022) |
| 2011 PlayStation Network outage | Mid | C | 1 | September 2018 | Dead external links {{dead link}} (September 2018) |
| 2012 Canadian Grand Prix | Low | B | 2 | June 2012 | Unsourced passages need footnotes {{citation needed}} (June 2012), Dead external links {{dead link}} (March 2016) |
| 2013 South Korea cyberattack | Mid | Start | 1 | March 2024 | Cites unreliable sources (March 2024) |
| 2014 JPMorgan Chase data breach | Mid | Start | 1 | October 2020 | Update needed (October 2020) |
| 2014 Russian hacker password theft | Mid | Start | 1 | April 2023 | Update needed (April 2023) |
| 2014 celebrity nude photo leak | 2 | April 2023 | Cites unreliable sources (April 2023), Clarification needed (January 2025) | ||
| 2015 Ukraine power grid hack | Mid | C | 1 | December 2022 | Clarification needed (December 2022) |
| 2015 United States–China Cybersecurity Agreement | Low | Stub | 1 | November 2021 | Unsourced passages need footnotes {{More citations needed}} (November 2021) |
| 2016 Democratic National Committee email leak | Mid | C | 1 | December 2016 | Unsourced passages need footnotes {{citation needed}} (December 2016) |
| 2016 Kyiv cyberattack | Low | Start | 1 | November 2023 | Unsourced passages need footnotes {{More citations needed}} (November 2023) |
| 2017 Ukraine ransomware attacks | High | C | 3 | July 2017 | Update needed (July 2017), Dead external links {{dead link}} (June 2021), Pages with broken anchors (see article talk page, remove when fixed) |
| 2019 Baltimore ransomware attack | 2 | November 2025 | Cites unreliable sources (November 2025), Update needed (November 2025) | ||
| 2019 Bulgarian Revenue Agency hack | Low | Start | 2 | October 2019 | Expansion needed (October 2019), Dead external links {{dead link}} (January 2022) |
| 2020 Twitter account hijacking | 1 | July 2020 | Potentially dated statements (July 2020) | ||
| 2020 United States federal government data breach | 2 | December 2020 | Clarification needed (December 2020), Reference cleanup (July 2021) | ||
| 2021 Iranian fuel cyberattack | Low | Start | 1 | Reference errors | |
| 2021 Microsoft Exchange Server data breach | 1 | March 2021 | Potentially dated statements (March 2021) | ||
| 2021 National Rifle Association ransomware attack | Low | C | 4 | October 2021 | Potentially dated statements (October 2021, November 2021), Introduction cleanup (November 2021), Clarification needed (November 2021) |
| 2024 CrowdStrike-related IT outages | 4 | July 2024 | Clarification needed (July 2024), Disputed statements (July 2024), Accuracy disputes or self-published (August 2024), Update needed (April 2026) | ||
| 2024 Delta Air Lines disruption | High | B | 1 | May 2026 | Unsourced passages need footnotes {{citation needed}} (May 2026) |
| 2026 Canvas data breach | Low | C | 1 | May 2026 | Unsourced passages need footnotes {{citation needed}} (May 2026) |
| 2600: The Hacker Quarterly | Mid | Start | 3 | May 2019 | Unsourced passages need footnotes {{citation needed}} (May 2019, August 2020), Vague or ambiguous time (February 2026) |
| 40-bit encryption | Low | Start | 1 | November 2014 | Unsourced passages need footnotes {{citation needed}} (November 2014) |
| A12 Authentication | 1 | March 2016 | Unsourced passages need footnotes {{More citations needed}} (March 2016) | ||
| AACS encryption key controversy | Low | GA | 2 | March 2024 | Cites unreliable sources (March 2024), Failed verification (March 2024) |
| ACF2 | 1 | April 2007 | Unsourced passages need footnotes {{More citations needed}} (April 2007) | ||
| ADISA certification | Low | Stub | 1 | March 2022 | Promotional tone (March 2022) |
| AEGIS SecureConnect | 1 | June 2015 | Unsourced passages need footnotes {{More citations needed}} (June 2015) | ||
| AES instruction set | 3 | January 2017 | Unsourced passages need footnotes {{citation needed}} (January 2017), Failed verification (December 2017), Cites unreliable sources (December 2017) | ||
| AFX Windows Rootkit 2003 | Low | Stub | 1 | April 2025 | Unsourced passages need footnotes {{More citations needed}} (April 2025) |
| AGI-Plan | 1 | March 2010 | Has general references but lacks inline footnotes (March 2010) | ||
| AOHell | Low | Start | 1 | November 2008 | Unsourced passages need footnotes {{More citations needed}} (November 2008) |
| AOL Active Virus Shield | Low | Start | 3 | September 2007 | Unsourced passages need footnotes {{citation needed}} (September 2007, November 2008), Unsourced passages need footnotes {{More citations needed}} (November 2025) |
| ARC (processor) | 2 | July 2018 | Unsourced passages need footnotes {{More citations needed}} (July 2018), Promotional tone (May 2024) | ||
| ARCV-n | 2 | August 2012 | Unsourced passages need footnotes {{citation needed}} (August 2012), Clarification needed (August 2018) | ||
| ARIA (cipher) | 1 | July 2020 | Has general references but lacks inline footnotes (July 2020) | ||
| ARP spoofing | 1 | March 2026 | Clarification needed (March 2026) | ||
| ARX (company) | Low | Start | 3 | July 2024 | Notability unclear (July 2024), Promotional tone (July 2024), Unsourced passages need footnotes {{More citations needed}} (September 2025) |
| AV-Comparatives | 3 | January 2015 | Unsourced passages need footnotes {{citation needed}} (January 2015), Reorganization needed (January 2016), Unsourced passages need footnotes {{More citations needed}} (January 2016) | ||
| AVG AntiVirus | Low | Start | 1 | June 2022 | Unsourced passages need footnotes {{citation needed}} (June 2022) |
| Aanval | 1 | May 2020 | Unsourced passages need footnotes {{citation needed}} (May 2020) | ||
| Abraxas (computer virus) | 1 | March 2010 | Has general references but lacks inline footnotes (March 2010) | ||
| Absolute Home & Office | 1 | April 2010 | Unsourced passages need footnotes {{citation needed}} (April 2010) | ||
| Acceptable use policy | Mid | Start | 4 | February 2009 | Original research (February 2009), Unsourced passages need footnotes {{More citations needed}} (August 2012), Limited geographic scope (October 2013), Unsourced passages need footnotes {{citation needed}} (October 2025) |
| Access control | High | C | 3 | February 2012 | Unsourced passages need footnotes {{citation needed}} (February 2012), Potentially dated statements (2014), Dead external links {{dead link}} (August 2025) |
| Access control matrix | 1 | CS1 errors: missing periodical | |||
| Access token | Mid | Start | 3 | August 2010 | Unsourced passages need footnotes {{More citations needed}} (August 2010), Limited geographic scope (September 2025), Clarification needed (September 2025) |
| Access-control list | High | Start | 3 | June 2017 | Weasel-worded phrases (June 2017), Potentially dated statements (December 2019), Unsourced passages need footnotes {{citation needed}} (August 2025) |
| Account aggregation | Low | Stub | 2 | December 2010 | Unsourced passages need footnotes {{More citations needed}} (December 2010, January 2018) |
| Account verification | 1 | October 2023 | Unsourced passages need footnotes {{citation needed}} (October 2023) | ||
| Acid (computer virus) | Low | Stub | 1 | March 2010 | Has general references but lacks inline footnotes (March 2010) |
| Acid2 | 2 | May 2016 | Dead external links {{dead link}} (May 2016), CS1 errors: missing periodical | ||
| Acme (computer virus) | Low | Stub | 2 | November 2012 | Notability unclear (November 2012), Has general references but lacks inline footnotes (May 2025) |
| ActionScript | Low | C | 1 | March 2021 | Unsourced passages need footnotes {{citation needed}} (March 2021) |
| Active Directory | 1 | March 2011 | Unsourced passages need footnotes {{citation needed}} (March 2011) | ||
| AdGuard | 2 | June 2021 | Promotional tone (June 2021), Unsourced passages need footnotes {{citation needed}} (May 2024) | ||
| Ada (computer virus) | 1 | September 2016 | Introduction cleanup (September 2016) | ||
| Adam Back (BLP) | 1 | October 2024 | Unsourced passages need footnotes {{citation needed}} (October 2024) | ||
| Adam Botbyl (BLP) | High | Start | 1 | December 2008 | Unsourced passages need footnotes {{citation needed}} (December 2008) |
| Address space layout randomization | High | C | 7 | 2009 | Potentially dated statements (2009, 2021), Weasel-worded phrases (October 2015), Factual verification needed (March 2016), Unsourced passages need footnotes {{More citations needed}} (January 2018), Update needed (August 2018), Unsourced passages need footnotes {{citation needed}} (March 2024) |
| Adiantum (cipher) | 1 | January 2019 | Unsourced passages need footnotes {{More citations needed}} (January 2019) | ||
| Adobe Flash | Low | C | 9 | February 2009 | Detailed references needed, Potentially dated statements (February 2009), Accuracy disputes or self-published (February 2020, February 2020), Unsourced passages need footnotes {{citation needed}} (February 2020, January 2021, October 2024), Unsourced passages need footnotes {{More citations needed}} (June 2023), Failed verification (December 2023) |
| Adrian Lamo | High | C | 1 | July 2022 | Clarification needed (July 2022) |
| Advanced persistent threat | High | B | 2 | October 2019 | Unsourced passages need footnotes {{citation needed}} (October 2019), CS1 errors: generic name |
| Adversary (cryptography) | 1 | April 2024 | Unsourced passages need footnotes {{More citations needed}} (April 2024) | ||
| Adware | 1 | 2012 | Potentially dated statements (2012) | ||
| Agent.AWF | Low | Stub | 4 | May 2015 | Unsourced passages need footnotes {{More citations needed}} (May 2015), Unsourced passages need footnotes {{citation needed}} (November 2015, January 2017, July 2025) |
| Air Force Cyber Command | Mid | Start | 2 | July 2010 | Unsourced passages need footnotes {{citation needed}} (July 2010), Dead external links {{dead link}} (August 2023) |
| Air gap (networking) | 2 | November 2019 | Unsourced passages need footnotes {{citation needed}} (November 2019), Dead external links {{dead link}} (October 2025) | ||
| Aircrack-ng | 1 | August 2023 | Unsourced passages need footnotes {{citation needed}} (August 2023) | ||
| Airdrop (cryptocurrency) | 1 | June 2025 | Cites unreliable sources (June 2025) | ||
| Alabama (computer virus) | 3 | March 2010 | Has general references but lacks inline footnotes (March 2010), Unsourced passages need footnotes {{More citations needed}} (August 2012), Notability unclear (August 2012) | ||
| Aladdin (BlackRock) | Low | Start | 1 | April 2018 | Unsourced passages need footnotes {{citation needed}} (April 2018) |
| Aladdin Knowledge Systems | 1 | February 2019 | Dead external links {{dead link}} (February 2019) | ||
| Albert Gonzalez (BLP) | Mid | C | 2 | May 2012 | Dead external links {{dead link}} (May 2012), Unsourced passages need footnotes {{citation needed}} (March 2018) |
| Ali Dehghantanha (BLP) | Low | C | 2 | August 2025 | Unsourced passages need footnotes {{citation needed}} (August 2025), Clarification needed (August 2025) |
| Alisa Esage (BLP) | 4 | July 2022 | Original research (July 2022), BLP articles lacking sources (July 2022), Unsourced passages need footnotes {{citation needed}} (August 2022), Dead external links {{dead link}} (June 2023) | ||
| Altor Networks | Low | Start | 3 | June 2024 | Promotional tone (June 2024), Notability unclear (July 2024), Unsourced passages need footnotes {{More citations needed}} (April 2025) |
| Alureon | 2 | June 2013 | Unsourced passages need footnotes {{citation needed}} (June 2013), Failed verification (December 2024) | ||
| Ambient authority | Mid | Start | 1 | CS1 errors: missing periodical | |
| American Fuzzy Lop (software) | 1 | February 2023 | Expansion needed (February 2023) | ||
| Andrew Huang (hacker) (BLP) | 2 | CS1 errors: missing periodical, CS1 errors: periodical ignored | |||
| Android One | 3 | October 2018 | Unsourced passages need footnotes {{citation needed}} (October 2018, November 2020), Dead external links {{dead link}} (July 2021) | ||
| Andy Müller-Maguhn (BLP) | Low | Start | 1 | May 2023 | Factual verification needed (May 2023) |
| Ang Cui (BLP) | Low | Start | 2 | May 2019 | Conflict of interest (May 2019), CS1 errors: missing periodical |
| Ankit Fadia (BLP) | Low | Start | 1 | February 2026 | Conflict of interest (February 2026) |
| Anna Kournikova (computer virus) | Mid | C | 1 | February 2025 | Introduction cleanup (February 2025) |
| Anomaly Detection at Multiple Scales | Low | Stub | 1 | October 2021 | Update needed (October 2021) |
| AnonCoders | 2 | March 2015 | Conflict of interest (March 2015), Orphaned (August 2022) | ||
| Anonymous (hacker group) | Mid | GA | 2 | March 2015 | Dead external links {{dead link}} (March 2015), Factual verification needed (August 2020) |
| Anonymous and the Russian invasion of Ukraine | Low | C | 2 | July 2022 | Accuracy disputes or self-published (July 2022), Introduction cleanup (November 2023) |
| Anti-phishing software | High | C | 2 | August 2021 | Unsourced passages need footnotes {{citation needed}} (August 2021), Cites unreliable sources (August 2024) |
| AntiCMOS | 1 | November 2018 | Unsourced passages need footnotes {{More citations needed}} (November 2018) | ||
| Antisec Movement | Mid | C | 1 | July 2011 | Weasel-worded phrases (July 2011) |
| Antivirus software | 3 | July 2016 | Unsourced passages need footnotes {{citation needed}} (July 2016), Page number citations needed (August 2020), Cites unreliable sources (February 2025) | ||
| Anti–computer forensics | Low | C | 2 | August 2011 | Unsourced passages need footnotes {{citation needed}} (August 2011), Vague or ambiguous time (February 2025) |
| AppArmor | 1 | October 2007 | Unsourced passages need footnotes {{citation needed}} (October 2007) | ||
| Application firewall | 1 | February 2010 | Unsourced passages need footnotes {{More citations needed}} (February 2010) | ||
| Application permissions | 2 | February 2020 | CS1 errors: missing periodical, Style editing needed (February 2020) | ||
| Application protocol-based intrusion detection system | Low | Stub | 1 | April 2012 | Notability unclear (April 2012) |
| Application security | High | Start | 2 | December 2018 | Cites unreliable sources (December 2018), CS1 errors: periodical ignored |
| Application virtualization | Mid | Start | 2 | January 2013 | Unsourced passages need footnotes {{citation needed}} (January 2013), Viewpoints needed (February 2019) |
| Application-Layer Protocol Negotiation | 1 | April 2013 | Cites unreliable sources (April 2013) | ||
| Arbitrary code execution | High | C | 2 | March 2019 | Unsourced passages need footnotes {{More citations needed}} (March 2019), Accuracy disputes or self-published (January 2025) |
| ArcSight | Low | Start | 2 | June 2022 | Unsourced passages need footnotes {{citation needed}} (June 2022), Dead external links {{dead link}} (April 2023) |
| Archive.today | 10 | March 2016 | Potentially dated statements (March 2016, September 2017, July 2018, November 2019, December 2019), CS1 errors: archive-url, Clarification needed (July 2022), Cites unreliable sources (July 2022), Unsourced passages need footnotes {{citation needed}} (January 2025, February 2026) | ||
| Archiveus | 1 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025) | ||
| Argon2 | 1 | January 2016 | Cites unreliable sources (January 2016) | ||
| Armitage (computing) | 2 | May 2015 | Notability unclear (May 2015), Cites unreliable sources (May 2015) | ||
| Arxan Technologies | 1 | July 2020 | Unsourced passages need footnotes {{citation needed}} (July 2020) | ||
| Asm.js | 3 | October 2014 | Unsourced passages need footnotes {{citation needed}} (October 2014), Cites unreliable sources (March 2015), Unsourced passages need footnotes {{More citations needed}} (March 2015) | ||
| Asprox botnet | Low | B | 1 | November 2025 | Dead external links {{dead link}} (November 2025) |
| Astalavista.box.sk | Mid | Start | 2 | December 2015 | Unsourced passages need footnotes {{More citations needed}} (December 2015), Notability unclear (September 2023) |
| Atlanta government ransomware attack | 1 | March 2026 | Update needed (March 2026) | ||
| Atomic authorization | 3 | May 2015 | Unsourced passages need footnotes {{citation needed}} (May 2015), Notability unclear (January 2022), Unsourced passages need footnotes {{More citations needed}} (January 2022) | ||
| Attack Surface Analyzer | Low | C | 1 | CS1 errors: missing periodical | |
| Attack surface | Mid | Stub | 2 | October 2021 | CS1 errors: missing periodical, Unsourced passages need footnotes {{More citations needed}} (October 2021) |
| Attack tree | Low | C | 3 | October 2008 | Unsourced passages need footnotes {{citation needed}} (October 2008), Unsourced passages need footnotes {{More citations needed}} (April 2012), Dead external links {{dead link}} (October 2016) |
| Attack vector | 2 | March 2017 | Unsourced passages need footnotes {{More citations needed}} (March 2017), CS1 errors: missing periodical | ||
| Attribute-based access control | Mid | C | 1 | September 2023 | Unsourced passages need footnotes {{citation needed}} (September 2023) |
| Aubrey Cottle (BLP) | Mid | C | 1 | February 2024 | Conflict of interest (February 2024) |
| Aurora Generator Test | Low | Start | 1 | May 2024 | Dead external links {{dead link}} (May 2024) |
| AusCERT | Low | Start | 1 | June 2024 | Unsourced passages need footnotes {{citation needed}} (June 2024) |
| Australian Cyber Security Centre | Low | Start | 1 | November 2021 | Unsourced passages need footnotes {{citation needed}} (November 2021) |
| Authbind | Mid | Start | 1 | August 2013 | Weasel-worded phrases (August 2013) |
| Authentication | High | C | 2 | December 2016 | Unsourced passages need footnotes {{citation needed}} (December 2016), Weasel-worded phrases (December 2016) |
| Authentication and Key Agreement | Mid | Start | 2 | December 2018 | Potentially dated statements (2018), Unsourced passages need footnotes {{More citations needed}} (December 2018) |
| Authentication protocol | 1 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025) | ||
| Authentication, authorization, and accounting | Mid | Start | 2 | February 2011 | Unsourced passages need footnotes {{More citations needed}} (February 2011), Style editing needed (July 2024) |
| Authorization | 1 | August 2021 | Unsourced passages need footnotes {{citation needed}} (August 2021) | ||
| AutoRun | Mid | B | 1 | May 2024 | Unsourced passages need footnotes {{More citations needed}} (May 2024) |
| Automated Targeting System | 2 | October 2016 | Dead external links {{dead link}} (October 2016), CS1 errors: missing periodical | ||
| Avalanche (phishing group) | Low | C | 1 | October 2016 | Dead external links {{dead link}} (October 2016) |
| Avaya | 2 | September 2023 | Factual verification needed (September 2023), Unsourced passages need footnotes {{citation needed}} (January 2024) | ||
| Avira | Low | C | 4 | November 2017 | Cleanup needed (November 2017, November 2017), Unsourced passages need footnotes {{citation needed}} (March 2023), Update needed (October 2023) |
| Awareness Technologies | 1 | January 2026 | Factual verification needed (January 2026) | ||
| BEAR and LION ciphers | 2 | October 2017 | Clarification needed (October 2017), Unsourced passages need footnotes {{More citations needed}} (October 2017) | ||
| BGP hijacking | Mid | Stub | 3 | September 2016 | Unsourced passages need footnotes {{citation needed}} (September 2016), Cleanup needed (June 2019, June 2019) |
| BIOS | Mid | B | 8 | October 2008 | Unsourced passages need footnotes {{citation needed}} (October 2008, March 2013, October 2014, March 2019, May 2025), Potentially dated statements (2014), Unsourced passages need footnotes {{More citations needed}} (March 2019), Failed verification (July 2025) |
| BLAKE (hash function) | 2 | July 2019 | Unsourced passages need footnotes {{citation needed}} (July 2019), Pages with broken anchors (see article talk page, remove when fixed) | ||
| BS 7799 | Low | Stub | 1 | November 2010 | Unsourced passages need footnotes {{More citations needed}} (November 2010) |
| BSAFE | Low | Start | 1 | January 2026 | Dead external links {{dead link}} (January 2026) |
| Babylon (software) | 1 | Detailed references needed | |||
| Back Orifice | 1 | October 2016 | Unsourced passages need footnotes {{More citations needed}} (October 2016) | ||
| BackTrack | 1 | August 2012 | Cites unreliable sources (August 2012) | ||
| Backdoor (computing) | Mid | C | 1 | February 2022 | Unsourced passages need footnotes {{citation needed}} (February 2022) |
| Backoff | Mid | Start | 1 | 2014 | Potentially dated statements (2014) |
| Backup | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |||
| Bagle (computer worm) | 3 | October 2016 | Unsourced passages need footnotes {{More citations needed}} (October 2016), Update needed (October 2016), Dead external links {{dead link}} (June 2022) | ||
| Barnaby Jack | Low | Start | 1 | April 2025 | Unsourced passages need footnotes {{citation needed}} (April 2025) |
| Barracuda Networks | 3 | January 2017 | Cites unreliable sources (January 2017, April 2020), Style editing needed (May 2024) | ||
| Basic access control | 1 | July 2015 | Unsourced passages need footnotes {{citation needed}} (July 2015) | ||
| Beast (Trojan horse) | 1 | January 2016 | Unsourced passages need footnotes {{More citations needed}} (January 2016) | ||
| BeyondCorp | 1 | CS1 errors: missing periodical | |||
| Bifrost (Trojan horse) | 1 | April 2009 | Has general references but lacks inline footnotes (April 2009) | ||
| Bill Woodcock (BLP) | 2 | May 2022 | Conflict of interest (May 2022), Dead external links {{dead link}} (February 2026) | ||
| Billion laughs attack | 1 | November 2018 | Failed verification (November 2018) | ||
| Biologically Inspired Tactical Security Infrastructure | Low | Stub | 2 | November 2016 | Dead external links {{dead link}} (November 2016, February 2026) |
| Biometric Information Privacy Act | 1 | September 2023 | Update needed (September 2023) | ||
| Biometric passport | 11 | February 2015 | Unsourced passages need footnotes {{citation needed}} (February 2015, March 2016, November 2023, December 2024), Dead external links {{dead link}} (June 2016, November 2016, March 2023), Potentially dated statements (February 2020, June 2022), Clarification needed (June 2022), Unsourced passages need footnotes {{More citations needed}} (September 2022) | ||
| Bit nibbler | 2 | July 2015 | Unsourced passages need footnotes {{citation needed}} (July 2015), Unsourced passages need footnotes {{More citations needed}} (September 2017) | ||
| BitSight | Low | C | 1 | CS1 errors: generic name | |
| Bitcoin | 10 | 2015 | Potentially dated statements (2015, December 2017, 2018, November 2021, 2022, 2025, 2026, June 2026), Update needed (November 2023), Dead external links {{dead link}} (March 2026) | ||
| Bitcoin Gold | 1 | September 2024 | Factual verification needed (September 2024) | ||
| Bitcoin Unlimited | Low | Start | 1 | May 2019 | Unsourced passages need footnotes {{citation needed}} (May 2019) |
| Bitdefender | 1 | November 2025 | Dead external links {{dead link}} (November 2025) | ||
| Bitium | Low | Start | 1 | January 2024 | Unsourced passages need footnotes {{citation needed}} (January 2024) |
| Bitsquatting | Low | Stub | 1 | June 2024 | Unsourced passages need footnotes {{More citations needed}} (June 2024) |
| Bitwarden | Mid | C | 1 | April 2025 | Accuracy disputes or self-published (April 2025) |
| Black Duck Software | Unknown | Start | 1 | September 2025 | Cites unreliable sources (September 2025) |
| Black Hat (conference) | 1 | August 2015 | Cites unreliable sources (August 2015) | ||
| BlackCat (cyber gang) | Low | Start | 5 | December 2024 | Expert attention needed (December 2024), Unsourced passages need footnotes {{citation needed}} (December 2024), Factual verification needed (December 2024), Too technical (December 2024) |
| BlackNurse | Low | Start | 2 | July 2017 | Unsourced passages need footnotes {{citation needed}} (July 2017), Unsourced passages need footnotes {{More citations needed}} (July 2017) |
| Blacker (security) | 1 | CS1 errors: missing periodical | |||
| Blackhole exploit kit | Mid | Stub | 1 | May 2025 | Cleanup needed (May 2025) |
| Blacklist (computing) | Mid | Start | 3 | January 2011 | Unsourced passages need footnotes {{citation needed}} (January 2011), Weasel-worded phrases (May 2024), Cites unreliable sources (January 2025) |
| Blackshades | Low | Start | 1 | October 2020 | Unsourced passages need footnotes {{citation needed}} (October 2020) |
| Blaster (computer worm) | Low | Start | 1 | September 2013 | Unsourced passages need footnotes {{citation needed}} (September 2013) |
| Blended threat | Low | Start | 2 | January 2018 | Unsourced passages need footnotes {{More citations needed}} (January 2018), Vague or ambiguous time (May 2020) |
| Blind return-oriented programming | Low | Start | 3 | December 2015 | Unsourced passages need footnotes {{More citations needed}} (December 2015), Has general references but lacks inline footnotes (December 2015), Rewrite needed (July 2020) |
| Bliss (computer virus) | Low | Start | 1 | February 2010 | Cites unreliable sources (February 2010) |
| Block cipher mode of operation | 2 | April 2020 | Unsourced passages need footnotes {{citation needed}} (April 2020), Failed verification (July 2025) | ||
| Blockchain | Top | B | 6 | April 2018 | Potentially dated statements (April 2018), Accuracy disputes or self-published (April 2018), Clarification needed (October 2021), Cites unreliable sources (November 2021), Factual verification needed (January 2022), Update needed (August 2023) |
| BlueBorne (security vulnerability) | 2 | February 2018 | Update needed (February 2018), Clarification needed (February 2018) | ||
| BlueTalon | Low | Start | 1 | June 2020 | Unsourced passages need footnotes {{citation needed}} (June 2020) |
| Bluebugging | Low | Start | 1 | CS1 errors: missing periodical | |
| Bluesnarfing | Low | Start | 2 | May 2014 | Unsourced passages need footnotes {{More citations needed}} (May 2014), Update needed (September 2019) |
| Bluetooth | 6 | June 2010 | Potentially dated statements (June 2010, March 2011, 2021), Dead external links {{dead link}} (July 2020), Unsourced passages need footnotes {{citation needed}} (November 2023), Unsourced passages need footnotes {{More citations needed}} (February 2024) | ||
| Blum Blum Shub | 2 | September 2013 | Cites unreliable sources (September 2013), Has general references but lacks inline footnotes (September 2013) | ||
| BonziBuddy | 1 | February 2026 | Unsourced passages need footnotes {{citation needed}} (February 2026) | ||
| Bootloader unlocking | 3 | September 2021 | Factual verification needed (September 2021), Unsourced passages need footnotes {{citation needed}} (July 2025), Cites unreliable sources (July 2025) | ||
| Bot prevention | Low | C | 1 | October 2021 | Introduction cleanup (October 2021) |
| BotHunter | Low | Stub | 1 | March 2013 | Potentially dated statements (March 2013) |
| Bounds checking | 3 | March 2012 | Has general references but lacks inline footnotes (March 2012), Clarification needed (March 2024, February 2025) | ||
| Brain Test | Low | Start | 1 | October 2023 | Dead external links {{dead link}} (October 2023) |
| Bread Financial | Low | Start | 3 | October 2018 | Dead external links {{dead link}} (October 2018), Unsourced passages need footnotes {{citation needed}} (September 2024, October 2024) |
| Brian Krebs (BLP) | Low | Start | 3 | September 2016 | Potentially dated statements (September 2016), Dead external links {{dead link}} (June 2019, June 2022) |
| Brian LaMacchia (BLP) | Low | Stub | 3 | March 2012 | BLP articles lacking sources (March 2012), Unsourced passages need footnotes {{citation needed}} (February 2021), Dead external links {{dead link}} (June 2021) |
| British Library cyberattack | Low | Start | 1 | March 2025 | Update needed (March 2025) |
| Brittany Kaiser (BLP) | 1 | December 2020 | Unsourced passages need footnotes {{citation needed}} (December 2020) | ||
| Broker injection | 4 | March 2016 | Accuracy disputes or self-published (March 2016), Has general references but lacks inline footnotes (March 2016), Style editing needed (March 2016), Dead external links {{dead link}} (October 2019) | ||
| Browser hijacking | High | C | 3 | September 2014 | Unsourced passages need footnotes {{citation needed}} (September 2014, May 2015, March 2017) |
| Browser isolation | Low | C | 4 | December 2021 | Dead external links {{dead link}} (December 2021), Notability unclear (February 2025), Conflict of interest (February 2025), Unsourced passages need footnotes {{citation needed}} (September 2025) |
| Browser security | Mid | C | 1 | June 2019 | Dead external links {{dead link}} (June 2019) |
| Bruce Schneier (BLP) | High | Start | 4 | December 2008 | Unsourced passages need footnotes {{citation needed}} (December 2008, February 2025, August 2025), Potentially dated statements (February 2022) |
| Brute-force attack | High | C | 4 | September 2010 | Unsourced passages need footnotes {{citation needed}} (September 2010, November 2010), Page number citations needed (March 2012), Categories needed (April 2026) |
| Buffer overflow | High | B | 1 | CS1 errors: missing periodical | |
| Buffer overflow protection | Mid | C | 2 | September 2013 | Unsourced passages need footnotes {{citation needed}} (September 2013), Unsourced passages need footnotes {{More citations needed}} (November 2023) |
| Bug bounty program | High | C | 1 | 2021 | Potentially dated statements (2021) |
| Bug poaching | Low | Stub | 1 | June 2016 | Conflict of interest (June 2016) |
| Bugcrowd | Low | Start | 2 | 2018 | Potentially dated statements (2018, 2020) |
| Building BloQs | Low | Start | 1 | September 2017 | Potentially dated statements (September 2017) |
| Bureau 121 | Low | C | 1 | April 2025 | Unsourced passages need footnotes {{citation needed}} (April 2025) |
| Burp Suite | Low | Start | 1 | August 2024 | Cites unreliable sources (August 2024) |
| Burt Kaliski (BLP) | Low | Stub | 2 | September 2013 | BLP articles lacking sources (September 2013), Cites unreliable sources (September 2013) |
| BusKill | Low | Start | 1 | July 2025 | Cites unreliable sources (July 2025) |
| Business continuity planning | Mid | C | 3 | December 2021 | CS1 errors: missing periodical, Clarification needed (December 2021), Dead external links {{dead link}} (August 2025) |
| Byte Bandit | 1 | May 2011 | Unsourced passages need footnotes {{More citations needed}} (May 2011) | ||
| C standard library | 1 | November 2010 | Unsourced passages need footnotes {{citation needed}} (November 2010) | ||
| C-base | Low | C | 1 | April 2009 | Unsourced passages need footnotes {{More citations needed}} (April 2009) |
| CA Anti-Spyware | 1 | December 2025 | Links needing disambiguation (December 2025) | ||
| CA/Browser Forum | Unknown | Start | 1 | May 2022 | Potentially dated statements (May 2022) |
| CAESAR Competition | Low | Start | 1 | June 2022 | Unsourced passages need footnotes {{More citations needed}} (June 2022) |
| CCID (protocol) | Low | Start | 1 | November 2020 | Unsourced passages need footnotes {{citation needed}} (November 2020) |
| CERT-UA | Low | Start | 1 | July 2023 | Unsourced passages need footnotes {{More citations needed}} (July 2023) |
| CESG Claims Tested Mark | Low | Start | 2 | April 2023 | Unsourced passages need footnotes {{More citations needed}} (April 2023), Update needed (September 2023) |
| CESG Listed Adviser Scheme | Low | Stub | 1 | January 2014 | Cites unreliable sources (January 2014) |
| COBIT | High | Start | 4 | April 2017 | Cites unreliable sources (April 2017, September 2024), Clarification needed (June 2018), Unsourced passages need footnotes {{More citations needed}} (September 2024) |
| COPS (software) | Low | Stub | 2 | August 2013 | Clarification needed (August 2013), Incomplete citations (July 2024) |
| CPU modes | Low | C | 1 | November 2016 | Unsourced passages need footnotes {{More citations needed}} (November 2016) |
| CRIME | High | Start | 2 | September 2012 | Potentially dated statements (September 2012), Unsourced passages need footnotes {{citation needed}} (May 2016) |
| CTX (computer virus) | 2 | October 2022 | Unsourced passages need footnotes {{citation needed}} (October 2022), Unsourced passages need footnotes {{More citations needed}} (October 2022) | ||
| CYREN | Mid | B | 4 | July 2021 | Unsourced passages need footnotes {{citation needed}} (July 2021), Cites unreliable sources (July 2021), Promotional tone (March 2022), Dead external links {{dead link}} (November 2025) |
| Cabir (computer worm) | 1 | April 2012 | Unsourced passages need footnotes {{More citations needed}} (April 2012) | ||
| Call gate (Intel) | Low | Start | 1 | August 2020 | Unsourced passages need footnotes {{More citations needed}} (August 2020) |
| Calyx Institute | Low | C | 1 | January 2022 | Potentially dated statements (January 2022) |
| CalyxOS | Low | C | 1 | September 2022 | Incomplete lists (September 2022) |
| Cambridge Analytica | 1 | CS1 errors: generic name | |||
| Camellia (cipher) | 2 | August 2010 | Clarification needed (August 2010), Unsourced passages need footnotes {{citation needed}} (June 2012) | ||
| Cameron LaCroix (BLP) | Low | Stub | 1 | August 2023 | Has general references but lacks inline footnotes (August 2023) |
| Capture the flag (cybersecurity) | 1 | CS1 errors: missing periodical | |||
| Carbanak | Low | Start | 1 | July 2024 | Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Card Verifiable Certificate | 1 | January 2021 | Unsourced passages need footnotes {{More citations needed}} (January 2021) | ||
| Carrier IQ | 6 | December 2011 | Slanted towards recent events (December 2011), Viewpoints needed (December 2011), Clarification needed (January 2014), Dead external links {{dead link}} (January 2021), Cleanup needed (November 2024), Prose needed (November 2024) | ||
| Carrier-grade NAT | 2 | January 2024 | Clarification needed (January 2024), Unsourced passages need footnotes {{citation needed}} (February 2024) | ||
| Cascade (computer virus) | 1 | March 2010 | Has general references but lacks inline footnotes (March 2010) | ||
| CastleCops | Unknown | Start | 3 | June 2009 | Unsourced passages need footnotes {{More citations needed}} (June 2009), Style editing needed (June 2009), Notability unclear (April 2016) |
| Cavirin | 2 | June 2018 | Orphaned (June 2018), Pages with broken anchors (see article talk page, remove when fixed) | ||
| Center for Democracy and Technology | Low | Start | 4 | June 2019 | Cites unreliable sources (June 2019), Promotional tone (April 2020), Rewrite needed (December 2021), Factual verification needed (September 2023) |
| Centre for Cybersecurity & Cybercrime Investigation | Low | Start | 1 | July 2021 | Weasel-worded phrases (July 2021) |
| Centre for Secure Information Technologies | Low | Start | 1 | November 2022 | Notability unclear (November 2022) |
| Centurion Guard | Low | Stub | 2 | January 2019 | Orphaned (January 2019), Dead external links {{dead link}} (June 2025) |
| Certificate Authority Security Council | Low | C | 1 | July 2021 | Update needed (July 2021) |
| Certificate Transparency | High | C | 2 | August 2023 | Too technical (August 2023), Unsourced passages need footnotes {{citation needed}} (May 2026) |
| Certificate authority | High | C | 3 | March 2015 | Unsourced passages need footnotes {{citation needed}} (March 2015), Potentially dated statements (August 2020, July 2024) |
| Certificate policy | Unknown | Start | 1 | December 2010 | Potentially dated statements (December 2010) |
| Certificate revocation | 1 | CS1 errors: missing periodical | |||
| Certified Information Systems Security Professional | Mid | C | 1 | August 2018 | Unsourced passages need footnotes {{citation needed}} (August 2018) |
| Certified ethical hacker | Low | Start | 1 | January 2016 | Unsourced passages need footnotes {{More citations needed}} (January 2016) |
| Certified penetration testing engineer | Low | Start | 1 | June 2019 | Dead external links {{dead link}} (June 2019) |
| Chain of trust | Mid | Start | 1 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024) |
| Challenge–response authentication | 1 | February 2019 | Unsourced passages need footnotes {{More citations needed}} (February 2019) | ||
| Changpeng Zhao (BLP) | 2 | May 2024 | Cites unreliable sources (May 2024), Potentially dated statements (April 2026) | ||
| Chaos Communication Camp | Low | Stub | 1 | November 2018 | Dead external links {{dead link}} (November 2018) |
| Chaos Communication Congress | Low | Start | 1 | January 2026 | Factual verification needed (January 2026) |
| Chaos Computer Club | Mid | C | 2 | January 2022 | Failed verification (January 2022), Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Chargeware | 1 | February 2025 | Expansion needed (February 2025) | ||
| Charlie Miller (security researcher) (BLP) | High | Start | 2 | 2007 | Potentially dated statements (2007), Unsourced passages need footnotes {{citation needed}} (March 2025) |
| Charming Kitten | Low | C | 1 | September 2019 | Unsourced passages need footnotes {{citation needed}} (September 2019) |
| Chartered Institute of Information Security | Low | Start | 1 | March 2014 | Unsourced passages need footnotes {{More citations needed}} (March 2014) |
| Check Point | 1 | May 2026 | Unsourced passages need footnotes {{citation needed}} (May 2026) | ||
| Cheetah Mobile | High | C | 1 | May 2024 | Disputed statements (May 2024) |
| Chema Alonso | Unknown | C | 3 | November 2025 | BLP articles lacking sources (November 2025), Promotional tone (January 2026), Orphaned (January 2026) |
| Chief data officer | 1 | November 2024 | Unsourced passages need footnotes {{More citations needed}} (November 2024) | ||
| Chief information officer | 1 | CS1 errors: missing periodical | |||
| Chief information security officer | Mid | C | 2 | May 2016 | Unsourced passages need footnotes {{More citations needed}} (May 2016), Unsourced passages need footnotes {{citation needed}} (August 2023) |
| Chief security officer | Mid | Start | 3 | February 2015 | Has general references but lacks inline footnotes (February 2015), Buzzword cleanup (July 2019), Clarification needed (January 2026) |
| Child Exploitation Tracking System | Unknown | Stub | 2 | August 2017 | Unsourced passages need footnotes {{citation needed}} (August 2017), Unsourced passages need footnotes {{More citations needed}} (July 2024) |
| Children's Online Privacy Protection Act | Low | Start | 3 | June 2016 | Potentially dated statements (June 2016), CS1 errors: generic title, Cites unreliable sources (December 2024) |
| Chinese espionage in the United States | 2 | March 2013 | Unsourced passages need footnotes {{citation needed}} (March 2013), Pages with broken anchors (see article talk page, remove when fixed) | ||
| Chinese information operations and information warfare | Mid | C | 1 | September 2025 | Dead external links {{dead link}} (September 2025) |
| Chinese wall | Low | C | 3 | February 2020 | Incomplete citations (February 2020), Unsourced passages need footnotes {{More citations needed}} (December 2020), Unsourced passages need footnotes {{citation needed}} (August 2025) |
| Chkrootkit | Unknown | Stub | 1 | February 2025 | Notability unclear (February 2025) |
| Chris Kubecka (BLP) | Mid | C | 1 | September 2019 | Unsourced passages need footnotes {{citation needed}} (September 2019) |
| Christmas Tree EXEC | 1 | March 2021 | Unsourced passages need footnotes {{More citations needed}} (March 2021) | ||
| Christopher Soghoian (BLP) | Low | B | 1 | February 2026 | Vague or ambiguous time (February 2026) |
| Chuck Easttom (BLP) | Low | C | 3 | July 2020 | Dead external links {{dead link}} (July 2020), CS1 errors: missing title, CS1 errors: bare URL |
| Cigital | Low | Start | 1 | July 2021 | Dead external links {{dead link}} (July 2021) |
| Cipher suite | 1 | CS1 errors: missing periodical | |||
| CipherTrust | 1 | November 2019 | Unsourced passages need footnotes {{More citations needed}} (November 2019) | ||
| Ciphertext-only attack | 2 | May 2016 | Has general references but lacks inline footnotes (May 2016), Unsourced passages need footnotes {{More citations needed}} (May 2016) | ||
| Cisco | 2 | April 2020 | Potentially dated statements (April 2020, July 2025) | ||
| Cisco ASA | Low | Start | 1 | CS1 errors: generic name | |
| Cisco IOS | 4 | February 2015 | Has general references but lacks inline footnotes (February 2015), Unsourced passages need footnotes {{citation needed}} (March 2019), Clarification needed (April 2019), Pages with broken anchors (see article talk page, remove when fixed) | ||
| Cisco IOS XR | 1 | December 2012 | Cites unreliable sources (December 2012) | ||
| Cisco PIX | Low | C | 3 | August 2011 | Cites unreliable sources (August 2011), Potentially dated statements (2014), Dead external links {{dead link}} (July 2019) |
| Cisco Talos | Low | Start | 2 | August 2022 | Accuracy disputes or self-published (August 2022), Unsourced passages need footnotes {{citation needed}} (June 2026) |
| Ciscogate | Low | C | 2 | CS1 errors: missing title, CS1 errors: bare URL | |
| Citizenfour | 2 | 2007 | Potentially dated statements (2007, January 2015) | ||
| ClamAV | Low | C | 1 | December 2023 | Update needed (December 2023) |
| Clampi (Trojan horse) | 1 | CS1 errors: missing periodical | |||
| Claria Corporation | 3 | January 2008 | Unsourced passages need footnotes {{citation needed}} (January 2008), Original research (January 2008), Rewrite needed (February 2022) | ||
| Clark–Wilson model | Low | Start | 1 | September 2018 | Unsourced passages need footnotes {{More citations needed}} (September 2018) |
| Class (pirating group) | Low | Start | 2 | September 2012 | Unsourced passages need footnotes {{More citations needed}} (September 2012), Original research (September 2012) |
| Clearswift | 3 | August 2017 | Unsourced passages need footnotes {{citation needed}} (August 2017), Cites unreliable sources (September 2018), Dead external links {{dead link}} (July 2020) | ||
| Click fraud | Low | C | 1 | October 2023 | Unsourced passages need footnotes {{More citations needed}} (October 2023) |
| Click tracking | Low | B | 1 | June 2024 | Too technical (June 2024) |
| Clickbot.A | 1 | CS1 errors: generic name | |||
| Clickjacking | Mid | B | 1 | December 2020 | Clarification needed (December 2020) |
| Client certificate | 1 | April 2024 | Unsourced passages need footnotes {{More citations needed}} (April 2024) | ||
| Climatic Research Unit documents | Low | C | 1 | September 2024 | Dead external links {{dead link}} (September 2024) |
| Climatic Research Unit email controversy | Low | B | 2 | February 2019 | Dead external links {{dead link}} (February 2019), Update needed (June 2021) |
| Cloud Security Alliance | Low | Start | 2 | March 2013 | Unsourced passages need footnotes {{More citations needed}} (March 2013), Dead external links {{dead link}} (August 2025) |
| Cloud computing | 3 | July 2015 | Factual verification needed (July 2015), Unsourced passages need footnotes {{citation needed}} (July 2015), Footnotes need specific page numbers (January 2024) | ||
| Cloud computing security | Mid | Start | 2 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025, April 2026) |
| Cloudflare | Low | C | 2 | 2022 | Potentially dated statements (2022, 2023) |
| CoSign single sign on | Unknown | Stub | 1 | September 2025 | Has general references but lacks inline footnotes (September 2025) |
| Code Access Security | Low | Start | 1 | June 2020 | Clarification needed (June 2020) |
| Code Red (computer worm) | Low | Start | 1 | March 2026 | Unsourced passages need footnotes {{citation needed}} (March 2026) |
| Code injection | High | C | 1 | March 2025 | Cites unreliable sources (March 2025) |
| Code sanitizer | 3 | July 2014 | Unsourced passages need footnotes {{More citations needed}} (July 2014), CS1 errors: generic name, Expansion needed (March 2023) | ||
| Code signing | 1 | January 2012 | Unsourced passages need footnotes {{More citations needed}} (January 2012) | ||
| Coding best practices | 3 | April 2008 | Style editing needed (April 2008), Has general references but lacks inline footnotes (July 2012), Page number citations needed (November 2023) | ||
| Cold boot attack | Low | C | 4 | December 2015 | Unsourced passages need footnotes {{citation needed}} (December 2015, February 2019, April 2023), Cites unreliable sources (November 2018) |
| Collaboration-oriented architecture | Low | Start | 3 | July 2014 | Cites unreliable sources (July 2014), Has general references but lacks inline footnotes (July 2014), Categories needed (May 2026) |
| Collision avoidance system | Mid | C | 7 | September 2019 | Potentially dated statements (September 2019, 2021), Incomplete lists (October 2021), Cites unreliable sources (December 2021), Unsourced passages need footnotes {{citation needed}} (December 2021, February 2022), Vague or ambiguous time (May 2022) |
| Collocation (operating systems) | Low | Stub | 1 | April 2026 | Unsourced passages need footnotes {{citation needed}} (April 2026) |
| Collusion Syndicate | 4 | August 2017 | Dead external links {{dead link}} (August 2017, July 2018, July 2019), Unsourced passages need footnotes {{More citations needed}} (March 2021) | ||
| Coloured hat | 3 | February 2023 | Unsourced passages need footnotes {{citation needed}} (February 2023), Unsourced passages need footnotes {{More citations needed}} (July 2023), Style editing needed (July 2023) | ||
| Columbitech | Low | Stub | 1 | November 2019 | Unsourced passages need footnotes {{citation needed}} (November 2019) |
| Committee on National Security Systems | Top | C | 1 | February 2026 | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Common Attack Pattern Enumeration and Classification | Low | Stub | 1 | April 2022 | Unsourced passages need footnotes {{More citations needed}} (April 2022) |
| Communication protocol | 4 | September 2018 | Cites unreliable sources (September 2018), Unsourced passages need footnotes {{citation needed}} (March 2022, April 2026), Vague or ambiguous time (March 2022) | ||
| Communications security | Mid | Start | 3 | July 2010 | Has general references but lacks inline footnotes (July 2010), Limited geographic scope (March 2014), Unsourced passages need footnotes {{More citations needed}} (May 2023) |
| Community of interest (computer security) | Low | Start | 1 | June 2009 | Unsourced passages need footnotes {{More citations needed}} (June 2009) |
| Comparison of TLS implementations | High | List | 7 | November 2013 | Clarification needed (November 2013), Unsourced passages need footnotes {{citation needed}} (August 2014, November 2014, November 2025), Disputed statements (January 2015), Dead external links {{dead link}} (July 2019), Original research (April 2026) |
| Comparison of disk encryption software | 6 | January 2008 | Unsourced passages need footnotes {{citation needed}} (January 2008), Clarification needed (January 2011), Dead external links {{dead link}} (November 2016, August 2017), CS1 errors: missing periodical, Original research (April 2026) | ||
| Comparison of instant messaging protocols | Low | List | 3 | July 2016 | Potentially dated statements (July 2016), Failed verification (July 2020), Original research (April 2026) |
| Comparison of password managers | NA | Redirect | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Comparison of privilege authorization features | 3 | November 2007 | Unsourced passages need footnotes {{citation needed}} (November 2007), Expansion needed (December 2009, September 2021) | ||
| Compartmentalization (information security) | Mid | Start | 2 | October 2024 | Unsourced passages need footnotes {{More citations needed}} (October 2024), Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Computational trust | Mid | C | 1 | December 2019 | Weasel-worded phrases (December 2019) |
| Computer Law & Security Review | Low | Stub | 2 | May 2026 | Cites unreliable sources (May 2026), Unsourced passages need footnotes {{More citations needed}} (May 2026) |
| Computer Misuse Act 1990 | Low | C | 10 | January 2009 | Unsourced passages need footnotes {{More citations needed}} (January 2009), Unsourced passages need footnotes {{citation needed}} (January 2009, January 2013, May 2019, January 2021), Weasel-worded phrases (January 2013), Failed verification (May 2019), Cites unreliable sources (January 2021), Factual verification needed (June 2021), Incomplete citations (June 2021) |
| Computer access control | 3 | February 2012 | Unsourced passages need footnotes {{citation needed}} (February 2012), Potentially dated statements (2014), CS1 errors: missing periodical | ||
| Computer and network surveillance | Top | C | 3 | 2007 | Potentially dated statements (2007), Dead external links {{dead link}} (July 2019, November 2025) |
| Computer crime countermeasures | Top | C | 1 | August 2011 | Limited geographic scope (August 2011) |
| Computer emergency response team | High | Start | 4 | December 2016 | Unsourced passages need footnotes {{More citations needed}} (December 2016), Unsourced passages need footnotes {{citation needed}} (December 2023), Introduction cleanup (July 2024), Link rot cleanup (August 2024) |
| Computer forensics | High | C | 2 | December 2020 | CS1 errors: ISBN, Unsourced passages need footnotes {{citation needed}} (December 2020) |
| Computer security | 5 | December 2012 | Weasel-worded phrases (December 2012), Vague or ambiguous time (September 2021), Dead external links {{dead link}} (November 2025, March 2026, May 2026) | ||
| Computer security compromised by hardware failure | Unknown | C | 2 | May 2011 | Style editing needed (May 2011), CS1 errors: periodical ignored |
| Computer security conference | 3 | May 2016 | Dead external links {{dead link}} (May 2016), Factual verification needed (July 2020), Incomplete lists (May 2025) | ||
| Computer security incident management | Mid | Start | 3 | January 2023 | Unsourced passages need footnotes {{citation needed}} (January 2023, December 2023), Cleanup needed (November 2024) |
| Computer security policy | Mid | Start | 1 | August 2013 | Rewrite needed (August 2013) |
| Computer security software | High | Start | 1 | CS1 errors: missing periodical | |
| Computer trespass | Mid | C | 2 | March 2016 | Update needed (March 2016), Limited geographic scope (March 2016) |
| Computer virus | 3 | May 2016 | Unsourced passages need footnotes {{citation needed}} (May 2016, January 2019), Cites unreliable sources (October 2022) | ||
| Conduit toolbar | 1 | September 2020 | Expansion needed (September 2020) | ||
| Conficker | Mid | B | 2 | March 2012 | Obsolete information (March 2012), Unsourced passages need footnotes {{citation needed}} (January 2024) |
| Confused deputy problem | High | Start | 1 | April 2023 | Unsourced passages need footnotes {{citation needed}} (April 2023) |
| Content Security Policy | High | C | 3 | 2015 | Potentially dated statements (2015, 2023), Unsourced passages need footnotes {{citation needed}} (January 2021) |
| Content Threat Removal | 5 | September 2018 | Promotional tone (September 2018), Cites unreliable sources (September 2018), Notability unclear (September 2018), Conflict of interest (September 2018), CS1 errors: missing periodical | ||
| Continuous Threat Exposure Management | Unknown | Start | 1 | February 2026 | Orphaned (February 2026) |
| Control register | 1 | May 2023 | Expansion needed (May 2023) | ||
| Control system security | 1 | Reference errors | |||
| Control-flow integrity | High | C | 2 | September 2020 | Expansion needed (September 2020, January 2021) |
| CoolWebSearch | Unknown | Start | 1 | November 2008 | Unsourced passages need footnotes {{More citations needed}} (November 2008) |
| Coordinated vulnerability disclosure | High | Stub | 2 | February 2021 | Unsourced passages need footnotes {{More citations needed}} (February 2021), Failed verification (May 2025) |
| CopperheadOS | 1 | September 2022 | Potentially dated statements (September 2022) | ||
| Copy Fail | Low | Stub | 1 | April 2026 | Potentially dated statements (April 2026) |
| Copy detection pattern | Low | Start | 2 | June 2020 | Conflict of interest (June 2020), Dead external links {{dead link}} (July 2024) |
| Coral Consortium | Low | Start | 2 | April 2025 | Dead external links {{dead link}} (April 2025), Has general references but lacks inline footnotes (September 2025) |
| Cordell Green | Low | Stub | 1 | September 2019 | Cites unreliable sources (September 2019) |
| Core Security Technologies | 2 | July 2016 | Conflict of interest (July 2016), Unsourced passages need footnotes {{citation needed}} (February 2026) | ||
| Coreflood | 1 | 2011 | Potentially dated statements (2011) | ||
| Corey Schou (BLP) | Low | Start | 2 | July 2010 | Unsourced passages need footnotes {{citation needed}} (July 2010), BLP articles lacking sources (July 2010) |
| Corporate warfare | Low | Start | 1 | CS1 errors: missing periodical | |
| Coruna (exploit kit) | Low | C | 1 | April 2026 | Style editing needed (April 2026) |
| Cost-based anti-spam systems | 3 | March 2024 | Vague or ambiguous time (March 2024), Style editing needed (May 2024), Unsourced passages need footnotes {{More citations needed}} (May 2024) | ||
| Covert channel | Mid | Start | 2 | April 2011 | Unsourced passages need footnotes {{citation needed}} (April 2011, December 2013) |
| Cowrie (honeypot) | Low | Start | 1 | May 2020 | Context needed (May 2020) |
| Crab (cipher) | 1 | September 2013 | Has general references but lacks inline footnotes (September 2013) | ||
| Craig Neidorf (BLP) | Low | Stub | 1 | March 2024 | Expansion needed (March 2024) |
| Credential service provider | 2 | February 2009 | Unsourced passages need footnotes {{More citations needed}} (February 2009), Dead external links {{dead link}} (February 2019) | ||
| Crimeware | Low | C | 1 | December 2023 | Unsourced passages need footnotes {{citation needed}} (December 2023) |
| Cris Thomas (BLP) | Low | C | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Critical Start | Low | Start | 2 | November 2019 | Promotional tone (November 2019), Dead external links {{dead link}} (August 2023) |
| Critical security parameter | 1 | June 2011 | Unsourced passages need footnotes {{More citations needed}} (June 2011) | ||
| CronLab | 1 | July 2024 | Notability unclear (July 2024) | ||
| Cross-domain solution | Low | Start | 5 | October 2009 | Original research (October 2009), Unsourced passages need footnotes {{More citations needed}} (December 2009, November 2023), Unsourced passages need footnotes {{citation needed}} (October 2012, November 2023) |
| Cross-site leaks | Low | GA | 2 | October 2020 | Potentially dated statements (October 2020, 2021) |
| Cross-site request forgery | High | C | 1 | May 2018 | Unsourced passages need footnotes {{More citations needed}} (May 2018) |
| Cross-site scripting | High | B | 2 | August 2018 | Dead external links {{dead link}} (August 2018), Factual verification needed (October 2024) |
| Crossbeam Systems | Low | Start | 4 | October 2016 | Unsourced passages need footnotes {{citation needed}} (October 2016, March 2023), Introduction cleanup (July 2019), Factual verification needed (September 2019) |
| CrowdStrike | Mid | B | 1 | January 2026 | Potentially dated statements (January 2026) |
| Crypt (C) | 2 | April 2010 | Unsourced passages need footnotes {{citation needed}} (April 2010, July 2011) | ||
| CryptGenRandom | 4 | 2007 | Potentially dated statements (2007), Unsourced passages need footnotes {{citation needed}} (March 2015), Cleanup needed (March 2024, March 2024) | ||
| CryptMT | 1 | April 2024 | Cites unreliable sources (April 2024) | ||
| CryptMix | Mid | Stub | 1 | May 2016 | Unsourced passages need footnotes {{More citations needed}} (May 2016) |
| Cryptek | Unknown | Start | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Cryptographic Service Provider | Low | Start | 2 | 2000 | Potentially dated statements (2000), Unsourced passages need footnotes {{More citations needed}} (March 2026) |
| Cryptographic bill of materials | Unknown | C | 1 | December 2025 | Orphaned (December 2025) |
| Cryptographic hash function | High | C | 3 | May 2016 | Unsourced passages need footnotes {{citation needed}} (May 2016, July 2017, April 2020) |
| Cryptographic splitting | Low | Start | 1 | March 2024 | Unsourced passages need footnotes {{citation needed}} (March 2024) |
| Cryptographically secure pseudorandom number generator | 2 | June 2024 | Unsourced passages need footnotes {{More citations needed}} (June 2024), CS1 errors: ISBN date | ||
| Cryptography | Top | C | 6 | August 2013 | Unsourced passages need footnotes {{citation needed}} (August 2013, April 2016), Clarification needed (December 2018), Unsourced passages need footnotes {{More citations needed}} (March 2021), Expansion needed (December 2021), Vague or ambiguous time (January 2022) |
| Cryptome | Mid | C | 3 | October 2022 | Unsourced passages need footnotes {{citation needed}} (October 2022), Accuracy disputes or self-published (June 2023), Dead external links {{dead link}} (December 2023) |
| Cryptosystem | 2 | August 2024 | Unsourced passages need footnotes {{More citations needed}} (August 2024), Categories needed (January 2025) | ||
| Cryptovirology | Mid | Start | 2 | November 2019 | Unsourced passages need footnotes {{citation needed}} (November 2019, January 2024) |
| Cult of the Dead Cow | Mid | C | 3 | March 2016 | Unsourced passages need footnotes {{More citations needed}} (March 2016), Unsourced passages need footnotes {{citation needed}} (January 2017), Incomplete citations (August 2025) |
| Curve25519 | 1 | CS1 errors: generic name | |||
| CybExer Technologies | Unknown | Stub | 1 | January 2021 | Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Cyber Intelligence House | Low | Start | 2 | January 2019 | Promotional tone (January 2019), Orphaned (December 2025) |
| Cyber Intelligence Sharing and Protection Act | Low | C | 3 | January 2015 | Cleanup needed (January 2015, January 2015), Unsourced passages need footnotes {{citation needed}} (October 2021) |
| Cyber Resilience Act | Low | C | 2 | February 2024 | Update needed (February 2024, October 2024) |
| Cyber Safety Review Board | Low | Start | 1 | April 2025 | External link cleanup {{external links}} (April 2025) |
| Cyber Security Agency | Low | Start | 1 | August 2017 | Unsourced passages need footnotes {{More citations needed}} (August 2017) |
| Cyber Security and Information Systems Information Analysis Center | Mid | C | 4 | April 2014 | Promotional tone (April 2014), Unsourced passages need footnotes {{citation needed}} (October 2016), Dead external links {{dead link}} (July 2019, November 2019) |
| Cyber Threat Intelligence League | Low | Start | 2 | May 2026 | Clarification needed (May 2026), Weasel-worded phrases (May 2026) |
| Cyber espionage | High | Start | 1 | October 2025 | Dead external links {{dead link}} (October 2025) |
| Cyber insurance | Low | Start | 1 | April 2018 | Unsourced passages need footnotes {{More citations needed}} (April 2018) |
| Cyber kill chain | Mid | Start | 1 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Cyber risk quantification | Low | Stub | 2 | January 2017 | Notability unclear (January 2017), Has general references but lacks inline footnotes (January 2017) |
| Cyber threat intelligence | Low | Start | 2 | October 2015 | Too technical (October 2015), Limited geographic scope (October 2024) |
| Cyber-Duck | Low | Start | 1 | September 2023 | Unsourced passages need footnotes {{citation needed}} (September 2023) |
| Cyber-HUMINT | Low | C | 1 | December 2017 | Unsourced passages need footnotes {{More citations needed}} (December 2017) |
| Cyber-arms industry | Low | C | 1 | September 2019 | Disputed statements (September 2019) |
| CyberBerkut | Low | Start | 4 | July 2014 | Unsourced passages need footnotes {{More citations needed}} (July 2014), Unsourced passages need footnotes {{citation needed}} (January 2015, December 2020, May 2023) |
| CyberCenturion | Mid | C | 1 | September 2018 | Cites unreliable sources (September 2018) |
| CyberHound | Unknown | Start | 2 | October 2019 | Buzzword cleanup (October 2019), Unsourced passages need footnotes {{citation needed}} (December 2023) |
| CyberTrust | Unknown | Stub | 6 | December 2013 | Unsourced passages need footnotes {{citation needed}} (December 2013, July 2021, May 2023, December 2023), Unsourced passages need footnotes {{More citations needed}} (December 2013), Dead external links {{dead link}} (August 2023) |
| Cyberattack | 4 | 2019 | Potentially dated statements (2019, 2023), Unsourced passages need footnotes {{citation needed}} (December 2025), Dead external links {{dead link}} (February 2026) | ||
| Cyberattacks against infrastructure | 2 | June 2024 | Introduction cleanup (June 2024), Original research (June 2024) | ||
| Cyberattacks by country | 1 | July 2013 | Unsourced passages need footnotes {{More citations needed}} (July 2013) | ||
| Cybercrime | High | C | 5 | March 2016 | Limited geographic scope (March 2016), Failed verification (October 2021, April 2025), Unsourced passages need footnotes {{citation needed}} (November 2023, January 2024) |
| Cybereason | Low | Stub | 2 | May 2017 | Conflict of interest (May 2017), Notability unclear (July 2024) |
| Cybersecurity Maturity Model Certification | Low | C | 4 | December 2025 | Dead external links {{dead link}} (December 2025, March 2026), Unsourced passages need footnotes {{citation needed}} (March 2026), Clarification needed (March 2026) |
| Cybersecurity engineering | 1 | October 2024 | Unsourced passages need footnotes {{citation needed}} (October 2024) | ||
| Cybersecurity rating | Unknown | Stub | 1 | December 2025 | Orphaned (December 2025) |
| Cyberspace | High | C | 3 | 2006 | Potentially dated statements (2006), Unsourced passages need footnotes {{citation needed}} (September 2023), Disputed statements (June 2025) |
| Cyberwarfare | High | C | 2 | November 2013 | Page number citations needed (November 2013), Dead external links {{dead link}} (April 2021) |
| Cyberwarfare and China | High | C | 1 | January 2019 | Clarification needed (January 2019) |
| Cyberwarfare and Iran | Mid | Start | 2 | January 2022 | Unsourced passages need footnotes {{citation needed}} (January 2022), Dead external links {{dead link}} (March 2026) |
| Cyberwarfare and the United States | High | C | 3 | January 2021 | Original research (January 2021), Style editing needed (January 2021), Dead external links {{dead link}} (June 2021) |
| Cyberwarfare by Russia | High | B | 1 | 2019 | Potentially dated statements (2019) |
| Cyberweapon | High | Start | 1 | April 2017 | Expansion needed (April 2017) |
| Cyveillance | Low | Start | 3 | October 2020 | Promotional tone (October 2020), Unsourced passages need footnotes {{citation needed}} (October 2021), Unsourced passages need footnotes {{More citations needed}} (September 2023) |
| DB Networks | 2 | August 2023 | Dead external links {{dead link}} (August 2023), Unsourced passages need footnotes {{citation needed}} (May 2024) | ||
| DDoS-Guard | Mid | C | 1 | January 2021 | Potentially dated statements (January 2021) |
| DEF CON | 3 | October 2022 | Dead external links {{dead link}} (October 2022, August 2025), Unsourced passages need footnotes {{citation needed}} (September 2023) | ||
| DJI | Low | C | 2 | March 2023 | Dead external links {{dead link}} (March 2023), Unsourced passages need footnotes {{citation needed}} (November 2024) |
| DNA encryption | Low | C | 1 | CS1 errors: missing periodical | |
| DNS Certification Authority Authorization | 2 | 2018 | Potentially dated statements (2018, June 2024) | ||
| DNS Flood | 1 | June 2017 | Unsourced passages need footnotes {{citation needed}} (June 2017) | ||
| DNS hijacking | 3 | July 2019 | Dead external links {{dead link}} (July 2019, March 2023), CS1 errors: missing periodical | ||
| DNS over HTTPS | Unknown | C | 2 | March 2021 | Unsourced passages need footnotes {{citation needed}} (March 2021), Dead external links {{dead link}} (July 2025) |
| DNS over TLS | 2 | November 2020 | Cites unreliable sources (November 2020), Unsourced passages need footnotes {{citation needed}} (December 2025) | ||
| DNS rebinding | 1 | February 2012 | Unsourced passages need footnotes {{More citations needed}} (February 2012) | ||
| DNS sinkhole | Unknown | Start | 2 | August 2021 | Clarification needed (August 2021), Unsourced passages need footnotes {{More citations needed}} (November 2021) |
| DNS spoofing | 3 | January 2012 | Unsourced passages need footnotes {{More citations needed}} (January 2012), Unsourced passages need footnotes {{citation needed}} (January 2012, June 2022) | ||
| DNS-based Authentication of Named Entities | 2 | April 2018 | Accuracy disputes or self-published (April 2018), Vague or ambiguous time (April 2024) | ||
| DNSCrypt | 1 | July 2020 | Unsourced passages need footnotes {{citation needed}} (July 2020) | ||
| DNSCurve | 1 | May 2026 | Unsourced passages need footnotes {{citation needed}} (May 2026) | ||
| DROWN attack | High | C | 2 | March 2016 | Expert attention needed (March 2016) |
| DShield | Unknown | Stub | 2 | March 2024 | Unsourced passages need footnotes {{citation needed}} (March 2024), Dead external links {{dead link}} (July 2025) |
| Dahua Technology | Low | B | 2 | December 2020 | Potentially dated statements (December 2020, 2021) |
| Dan Farmer (BLP) | Mid | Start | 2 | February 2015 | Introduction cleanup (February 2015), BLP articles lacking sources (April 2020) |
| Dan Kaminsky | Mid | B | 1 | June 2021 | Dead external links {{dead link}} (June 2021) |
| Dancing pigs | Low | Start | 1 | August 2018 | Style editing needed (August 2018) |
| Dangling pointer | Mid | C | 2 | August 2025 | CS1 errors: generic name, Dead external links {{dead link}} (August 2025) |
| Daon, Inc. | Low | Start | 1 | September 2024 | Unsourced passages need footnotes {{citation needed}} (September 2024) |
| Daprosy Worm | Low | Stub | 1 | March 2010 | Has general references but lacks inline footnotes (March 2010) |
| Dark Caracal | Low | Start | 1 | June 2018 | Unsourced passages need footnotes {{citation needed}} (June 2018) |
| Dark Mail Alliance | Low | Start | 1 | August 2023 | Potentially dated statements (August 2023) |
| Dark web | 1 | April 2026 | Cites unreliable sources (April 2026) | ||
| Dark0de | Mid | Start | 1 | June 2025 | Update needed (June 2025) |
| DarkMatter Group | Low | C | 4 | September 2021 | Unsourced passages need footnotes {{citation needed}} (September 2021), CS1 errors: generic name, Dead external links {{dead link}} (March 2023, March 2026) |
| DarkSide (hacker group) | Low | Start | 1 | June 2021 | Expansion needed (June 2021) |
| Darknet Diaries | Unknown | C | 1 | April 2024 | Unsourced passages need footnotes {{citation needed}} (April 2024) |
| Data Act (Sweden) | 1 | January 2024 | Dead external links {{dead link}} (January 2024) | ||
| Data Encryption Standard | 7 | August 2009 | Unsourced passages need footnotes {{More citations needed}} (August 2009, November 2009), Unsourced passages need footnotes {{citation needed}} (August 2022, August 2025, November 2025), Potentially dated statements (2024), Weasel-worded phrases (November 2025) | ||
| Data Protection Directive | 4 | 2003 | Potentially dated statements (2003), Clarification needed (August 2022), Unsourced passages need footnotes {{citation needed}} (August 2023), Factual verification needed (August 2023) | ||
| Data Retention Directive | 1 | January 2014 | Expansion needed (January 2014) | ||
| Data breach | Mid | GA | 2 | 2022 | Potentially dated statements (2022, 2024) |
| Data breach notification laws | Unknown | C | 4 | May 2014 | Update needed (May 2014), Potentially dated statements (August 2021), Link rot cleanup (March 2022), Dead external links {{dead link}} (February 2026) |
| Data broker | 3 | March 2021 | Potentially dated statements (2021), Unsourced passages need footnotes {{More citations needed}} (March 2021), Clarification needed (September 2024) | ||
| Data commingling | Low | Stub | 1 | August 2023 | Unsourced passages need footnotes {{citation needed}} (August 2023) |
| Data diddling | Low | Stub | 2 | January 2024 | Dead external links {{dead link}} (January 2024), Unsourced passages need footnotes {{citation needed}} (July 2025) |
| Data embassy | Unknown | Start | 1 | September 2020 | Limited geographic scope (September 2020) |
| Data exhaust | Low | Stub | 1 | October 2016 | Unsourced passages need footnotes {{More citations needed}} (October 2016) |
| Data retention | Low | C | 7 | February 2011 | Unsourced passages need footnotes {{citation needed}} (February 2011, October 2012, May 2013, May 2015), Dead external links {{dead link}} (September 2017), Obsolete information (November 2017), Link rot cleanup (August 2024) |
| Data sovereignty | 2 | 2017 | Potentially dated statements (2017), Clarification needed (October 2024) | ||
| Data theft | Mid | Start | 1 | October 2022 | Dead external links {{dead link}} (October 2022) |
| Data validation | 2 | July 2012 | Unsourced passages need footnotes {{More citations needed}} (July 2012, November 2016) | ||
| DataGravity | Unknown | Start | 1 | March 2023 | Dead external links {{dead link}} (March 2023) |
| Database audit | 1 | September 2023 | Unsourced passages need footnotes {{More citations needed}} (September 2023) | ||
| Database forensics | Low | Start | 1 | August 2010 | Unsourced passages need footnotes {{More citations needed}} (August 2010) |
| Datagram Transport Layer Security | 1 | September 2023 | Unsourced passages need footnotes {{More citations needed}} (September 2023) | ||
| Dave Aitel (BLP) | Low | Stub | 1 | August 2024 | Promotional tone (August 2024) |
| Dave Kleiman | Low | C | 1 | July 2019 | Unsourced passages need footnotes {{More citations needed}} (July 2019) |
| DaveGrohl | Low | Stub | 1 | September 2024 | Unsourced passages need footnotes {{citation needed}} (September 2024) |
| David Elliott Bell (BLP) | Low | Start | 1 | CS1 errors: missing periodical | |
| David Schrooten (BLP) | Low | Start | 1 | CS1 errors: generic title | |
| Dawson Engler (BLP) | Low | Start | 1 | CS1 errors: missing periodical | |
| DeCSS | 1 | July 2021 | Weasel-worded phrases (July 2021) | ||
| Dead Peer Detection | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |||
| Decentralized finance | 1 | 2021 | Potentially dated statements (2021) | ||
| Deception technology | Low | Start | 1 | December 2016 | Promotional tone (December 2016) |
| Deep Instinct | Unknown | Start | 1 | September 2020 | Accuracy disputes or self-published (September 2020) |
| Deep packet inspection | 7 | August 2010 | Clarification needed (August 2010, May 2015), Weasel words (January 2016), Dead external links {{dead link}} (November 2016), Unsourced passages need footnotes {{citation needed}} (October 2017), Limited geographic scope (February 2018), Vague or ambiguous time (November 2024) | ||
| Default password | Low | Stub | 1 | November 2021 | Unsourced passages need footnotes {{citation needed}} (November 2021) |
| Deflect.ca | Unknown | Stub | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Delegated credential | Mid | Start | 1 | April 2021 | Unsourced passages need footnotes {{citation needed}} (April 2021) |
| Delegation (computer security) | Mid | C | 1 | March 2014 | Unsourced passages need footnotes {{citation needed}} (March 2014) |
| Democratic National Committee cyber attacks | 1 | October 2023 | Unsourced passages need footnotes {{citation needed}} (October 2023) | ||
| Denial-of-service attack | 3 | May 2022 | Unsourced passages need footnotes {{citation needed}} (May 2022), Factual verification needed (March 2023), Unsourced passages need footnotes {{More citations needed}} (February 2024) | ||
| Denis Periša (BLP) | Low | C | 4 | August 2015 | BLP articles lacking sources (August 2015), Promotional tone (August 2015), Cites unreliable sources (August 2015), Conflict of interest (August 2015) |
| Department of Defense Cyber Crime Center | Mid | Start | 2 | January 2018 | Promotional tone (January 2018), Clarification needed (August 2024) |
| Department of Defense Information Assurance Certification and Accreditation Process | Mid | Stub | 1 | August 2016 | Notability unclear (August 2016) |
| DerbyCon | 1 | March 2016 | Cites unreliable sources (March 2016) | ||
| Derp (hacker group) | 1 | February 2014 | Vague or ambiguous time (February 2014) | ||
| Designated verifier signature | 1 | April 2024 | Unsourced passages need footnotes {{More citations needed}} (April 2024) | ||
| DevOps | 1 | May 2026 | Factual verification needed (May 2026) | ||
| Device fingerprint | 1 | March 2020 | Update needed (March 2020) | ||
| Devnull | 2 | March 2010 | Has general references but lacks inline footnotes (March 2010), Weasel-worded phrases (November 2020) | ||
| Diameter (protocol) | Low | Start | 2 | June 2008 | Expansion needed (June 2008, December 2009) |
| Dictionary attack | High | C | 1 | February 2018 | Unsourced passages need footnotes {{More citations needed}} (February 2018) |
| Diem (digital currency) | 1 | May 2020 | Update needed (May 2020) | ||
| Differential testing | Low | Start | 1 | August 2017 | Too technical (August 2017) |
| Differentiated security | Low | Stub | 2 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025), Update needed (December 2025) |
| Digest access authentication | 7 | April 2005 | Potentially dated statements (April 2005, October 2021, August 2023), Cites unreliable sources (June 2010), CS1 errors: missing periodical, Unsourced passages need footnotes {{More citations needed}} (July 2024), Factual verification needed (December 2025) | ||
| DigiCert | 1 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024) | ||
| Digital DawgPound | Low | C | 1 | July 2007 | Unsourced passages need footnotes {{citation needed}} (July 2007) |
| Digital forensics | High | GA | 1 | CS1 errors: periodical ignored | |
| Direct Anonymous Attestation | Unknown | Start | 1 | February 2019 | Unsourced passages need footnotes {{citation needed}} (February 2019) |
| Direct Revenue | 1 | September 2011 | Unsourced passages need footnotes {{citation needed}} (September 2011) | ||
| Directory traversal attack | Low | Start | 1 | August 2023 | Dead external links {{dead link}} (August 2023) |
| Dirty COW | 1 | April 2026 | Unsourced passages need footnotes {{citation needed}} (April 2026) | ||
| DirtyTooth | Low | Start | 2 | June 2022 | Orphaned (June 2022), Dead external links {{dead link}} (September 2025) |
| Disk encryption | 2 | October 2017 | Clarification needed (October 2017, August 2019) | ||
| Disk encryption software | 3 | April 2008 | Unsourced passages need footnotes {{citation needed}} (April 2008), Unsourced passages need footnotes {{More citations needed}} (September 2013), CS1 errors: missing periodical | ||
| Disk encryption theory | 4 | January 2024 | CS1 errors: missing periodical, CS1 errors: periodical ignored, Unsourced passages need footnotes {{More citations needed}} (January 2024), Weasel-worded phrases (August 2025) | ||
| Distributed Access Control System | 1 | April 2016 | Has general references but lacks inline footnotes (April 2016) | ||
| Dmitri Alperovitch (BLP) | Low | C | 1 | June 2024 | Unsourced passages need footnotes {{citation needed}} (June 2024) |
| Dmitry Khovratovich (BLP) | 2 | CS1 errors: missing periodical, CS1 errors: periodical ignored | |||
| Documentation testing | Low | Start | 1 | December 2016 | Rewrite needed (December 2016) |
| Dope.security | Low | Stub | 1 | November 2022 | Notability unclear (November 2022) |
| Dorkbot (malware) | Low | Start | 1 | June 2024 | Unsourced passages need footnotes {{citation needed}} (June 2024) |
| Dorothy E. Denning (BLP) | Low | C | 1 | April 2019 | Dead external links {{dead link}} (April 2019) |
| Double-spending | 1 | December 2025 | Factual verification needed (December 2025) | ||
| DoublePulsar | 1 | October 2023 | Unsourced passages need footnotes {{citation needed}} (October 2023) | ||
| Douglas Thomas (academic) (BLP) | Low | Stub | 1 | February 2024 | Dead external links {{dead link}} (February 2024) |
| Downgrade attack | 2 | September 2016 | Unsourced passages need footnotes {{More citations needed}} (September 2016), Clarification needed (June 2021) | ||
| Download.ject | Mid | C | 1 | October 2021 | Unsourced passages need footnotes {{citation needed}} (October 2021) |
| Dr Solomon's Antivirus | Low | Stub | 1 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Drive-by download | High | Start | 1 | CS1 errors: periodical ignored | |
| DriveSentry | 2 | April 2009 | Unsourced passages need footnotes {{citation needed}} (April 2009), Unsourced passages need footnotes {{More citations needed}} (May 2023) | ||
| Druva | 1 | July 2024 | Promotional tone (July 2024) | ||
| Dual EC DRBG | 1 | CS1 errors: missing periodical | |||
| Duqu | Mid | C | 1 | January 2026 | Page number citations needed (January 2026) |
| Dynamic intelligent currency encryption | 1 | September 2016 | Unsourced passages need footnotes {{More citations needed}} (September 2016) | ||
| Dynamic linker | 2 | March 2011 | Cites unreliable sources (March 2011), Dead external links {{dead link}} (May 2025) | ||
| Dynamic-link library | Unknown | C | 2 | 2015 | Potentially dated statements (2015), Dead external links {{dead link}} (October 2025) |
| E-Governance Academy | Unknown | Start | 1 | CS1 errors: generic name | |
| ERP security | Mid | C | 1 | February 2024 | Dead external links {{dead link}} (February 2024) |
| ESET NOD32 | 1 | December 2019 | Dead external links {{dead link}} (December 2019) | ||
| ESafe | 1 | June 2009 | Style editing needed (June 2009) | ||
| Easterhegg | 1 | September 2011 | Cites unreliable sources (September 2011) | ||
| Echoworx | 3 | December 2016 | Orphaned (December 2016), Notability unclear (March 2020), Unsourced passages need footnotes {{citation needed}} (April 2026) | ||
| Economics of security | Mid | Start | 1 | January 2021 | Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Edward Felten (BLP) | Low | C | 2 | September 2020 | BLP articles lacking sources (September 2020), Unsourced passages need footnotes {{citation needed}} (April 2024) |
| Edward Snowden (BLP) | High | B | 6 | 2007 | Potentially dated statements (2007), Expert attention needed (June 2016), Too technical (June 2016), Dead external links {{dead link}} (January 2026), Cites unreliable sources (May 2026) |
| Egress Software | 2 | April 2018 | Potentially dated statements (April 2018), Unsourced passages need footnotes {{More citations needed}} (July 2024) | ||
| Ehud Tenenbaum (BLP) | Low | C | 1 | October 2010 | Dead external links {{dead link}} (October 2010) |
| Einstein (US-CERT program) | Mid | B | 1 | August 2015 | Update needed (August 2015) |
| Election security | High | C | 4 | June 2018 | Limited geographic scope (June 2018), Factual verification needed (August 2024), Cleanup needed (April 2025, April 2025) |
| Electromagnetic attack | Mid | B | 3 | January 2019 | Weasel-worded phrases (January 2019), Unsourced passages need footnotes {{citation needed}} (January 2019), CS1 errors: missing periodical |
| Electronic Frontier Foundation | High | C | 2 | May 2024 | Factual verification needed (May 2024), Potentially dated statements (September 2025) |
| Electronic Privacy Information Center | Mid | Start | 1 | October 2022 | Unsourced passages need footnotes {{More citations needed}} (October 2022) |
| Electronic authentication | High | B | 4 | February 2016 | Unsourced passages need footnotes {{citation needed}} (February 2016), CS1 errors: missing periodical, Unsourced passages need footnotes {{More citations needed}} (February 2023), Dead external links {{dead link}} (September 2025) |
| Electronic flight bag | 3 | February 2019 | Unsourced passages need footnotes {{More citations needed}} (February 2019), Style editing needed (February 2019), Unsourced passages need footnotes {{citation needed}} (June 2023) | ||
| Electronic health record confidentiality | Low | Start | 4 | June 2013 | Limited geographic scope (June 2013), Style editing needed (June 2013), Page number citations needed (July 2020), Unsourced passages need footnotes {{citation needed}} (July 2020) |
| Electronic lock | Mid | Start | 9 | March 2016 | Vague or ambiguous time (March 2016), Update needed (March 2016), Clarification needed (March 2016), Has general references but lacks inline footnotes (March 2016), Unsourced passages need footnotes {{More citations needed}} (March 2016), Disputed statements (March 2016), Unsourced passages need footnotes {{citation needed}} (March 2016), CS1 errors: missing periodical, Pages with broken anchors (see article talk page, remove when fixed) |
| Electronic voting | Unknown | C | 11 | August 2009 | Unsourced passages need footnotes {{citation needed}} (August 2009, August 2010, July 2016, March 2024, July 2024, August 2024), Weasel-worded phrases (July 2016), Dead external links {{dead link}} (January 2020), External link cleanup {{external links}} (November 2022), Potentially dated statements (2023), Failed verification (March 2024) |
| Electronic voting by country | Low | B | 9 | September 2007 | Unsourced passages need footnotes {{citation needed}} (September 2007, March 2011, February 2017, August 2024, November 2025), Vague or ambiguous time (February 2017), Clarification needed (February 2017, November 2024), Dead external links {{dead link}} (March 2024) |
| Electronic voting in the United States | Mid | B | 1 | September 2025 | Dead external links {{dead link}} (September 2025) |
| Elias Levy (BLP) | Low | Stub | 2 | August 2025 | Unsourced passages need footnotes {{citation needed}} (August 2025), BLP articles lacking sources (August 2025) |
| Elliptic Curve Digital Signature Algorithm | 1 | March 2026 | Unsourced passages need footnotes {{citation needed}} (March 2026) | ||
| Email privacy | Mid | C | 4 | February 2016 | Unsourced passages need footnotes {{citation needed}} (February 2016, January 2021), Weasel-worded phrases (January 2021), Vague or ambiguous time (January 2021) |
| Email spoofing | Mid | Start | 1 | November 2023 | Unsourced passages need footnotes {{citation needed}} (November 2023) |
| Emcodec | Low | C | 1 | April 2024 | Notability unclear (April 2024) |
| Emerdata Limited | 1 | April 2023 | Unsourced passages need footnotes {{citation needed}} (April 2023) | ||
| Emotet | Low | Start | 1 | March 2023 | Accuracy disputes or self-published (March 2023) |
| Encrypting File System | Mid | B | 4 | February 2010 | Unsourced passages need footnotes {{More citations needed}} (February 2010, August 2012), Dead external links {{dead link}} (June 2016), External link cleanup {{external links}} (March 2020) |
| Encryption software | 1 | November 2021 | Unsourced passages need footnotes {{citation needed}} (November 2021) | ||
| End node problem | Unknown | Start | 3 | January 2013 | Unsourced passages need footnotes {{citation needed}} (January 2013), Vague or ambiguous time (February 2019), Dead external links {{dead link}} (March 2024) |
| End-to-end encryption | Mid | C | 3 | June 2020 | Unsourced passages need footnotes {{More citations needed}} (June 2020), Unsourced passages need footnotes {{citation needed}} (June 2020), Update needed (September 2025) |
| Endgame, Inc. | Low | Start | 2 | June 2015 | Conflict of interest (June 2015), Dead external links {{dead link}} (August 2021) |
| Endian Firewall | Low | C | 3 | August 2015 | Unsourced passages need footnotes {{citation needed}} (August 2015), Promotional tone (July 2016), Unsourced passages need footnotes {{More citations needed}} (July 2016) |
| Endpoint security | Low | Start | 4 | February 2016 | Clarification needed (February 2016), Reference cleanup (February 2026), Style editing needed (February 2026), Cites unreliable sources (February 2026) |
| Enhanced privacy ID | Unknown | Start | 2 | June 2017 | Unsourced passages need footnotes {{More citations needed}} (June 2017), CS1 errors: missing periodical |
| Enterprise information security architecture | Mid | Start | 3 | April 2015 | Cites unreliable sources (April 2015), Notability unclear (April 2015), Unsourced passages need footnotes {{More citations needed}} (August 2015) |
| Enterprise mobility management | 2 | August 2015 | Unsourced passages need footnotes {{citation needed}} (August 2015, June 2026) | ||
| Enterprise resource planning | 1 | March 2020 | Unsourced passages need footnotes {{citation needed}} (March 2020) | ||
| Erin Joe (BLP) | Low | Stub | 1 | February 2022 | BLP articles lacking sources (February 2022) |
| Estonian youth cybersecurity competitions | Unknown | Start | 1 | January 2026 | Orphaned (January 2026) |
| Ethereum | 11 | January 2016 | Potentially dated statements (January 2016, 2021, December 2025), Vague or ambiguous time (October 2021), Clarification needed (March 2022), Unsourced passages need footnotes {{citation needed}} (June 2022, March 2023, April 2024), Cites unreliable sources (May 2024), Dead external links {{dead link}} (May 2024), Limited geographic scope (May 2025) | ||
| Evercookie | 3 | July 2022 | CS1 errors: missing periodical, Unsourced passages need footnotes {{citation needed}} (July 2022), Obsolete information (October 2022) | ||
| Everykey | Low | Start | 1 | October 2025 | Rewrite needed (October 2025) |
| Evil twin (wireless networks) | Mid | Start | 2 | July 2016 | Unsourced passages need footnotes {{More citations needed}} (July 2016), Unsourced passages need footnotes {{citation needed}} (May 2026) |
| Exchange Online Protection | Low | Start | 3 | June 2013 | Unsourced passages need footnotes {{citation needed}} (June 2013), Unsourced passages need footnotes {{More citations needed}} (May 2024), Update needed (May 2024) |
| Exec Shield | High | Start | 1 | September 2007 | Unsourced passages need footnotes {{More citations needed}} (September 2007) |
| Executable-space protection | 1 | April 2013 | Unsourced passages need footnotes {{More citations needed}} (April 2013) | ||
| Exokernel | 2 | September 2016 | Unsourced passages need footnotes {{More citations needed}} (September 2016), Potentially dated statements (2024) | ||
| Exploit (computer security) | 1 | May 2026 | Unsourced passages need footnotes {{citation needed}} (May 2026) | ||
| ExpressVPN | 3 | April 2024 | Conflict of interest (April 2024), Promotional tone (April 2024), Cites unreliable sources (August 2025) | ||
| Extended Access Control | Low | Start | 1 | August 2019 | Dead external links {{dead link}} (August 2019) |
| Extended Copy Protection | Mid | C | 4 | March 2017 | Style editing needed (March 2017), Link rot cleanup (March 2022), Disputed statements (November 2024), Unsourced passages need footnotes {{citation needed}} (June 2025) |
| Extended Validation Certificate | 3 | July 2020 | Unsourced passages need footnotes {{citation needed}} (July 2020, November 2025), Unsourced passages need footnotes {{More citations needed}} (July 2020) | ||
| External penetration testing | Low | Start | 1 | February 2026 | Orphaned (February 2026) |
| FBI Cyber Division | Low | Start | 1 | June 2014 | Update needed (June 2014) |
| FBI MoneyPak ransomware | Low | Start | 1 | April 2019 | Accuracy disputes or self-published (April 2019) |
| FIDO Alliance | 1 | May 2025 | Cites unreliable sources (May 2025) | ||
| FIPS 140 | Low | Start | 1 | October 2020 | Potentially dated statements (October 2020) |
| FIPS 140-2 | 2 | December 2024 | Cites unreliable sources (December 2024), Unsourced passages need footnotes {{More citations needed}} (December 2024) | ||
| FIPS 201 | 1 | CS1 errors: missing periodical | |||
| FREAK | High | Start | 1 | March 2015 | Potentially dated statements (March 2015) |
| FRISK Software International | 2 | November 2019 | Cites unreliable sources (November 2019), Dead external links {{dead link}} (December 2023) | ||
| FSA Corporation | 2 | March 2020 | Unsourced passages need footnotes {{More citations needed}} (March 2020, January 2024) | ||
| Fail-stop | Low | Stub | 2 | June 2019 | Cites no sources (June 2019), Original research (May 2026) |
| Fake news website | Low | C | 1 | February 2022 | External link cleanup {{external links}} (February 2022) |
| Fake news websites in the United States | High | B | 2 | November 2020 | Cites unreliable sources (November 2020), Unsourced passages need footnotes {{citation needed}} (August 2021) |
| Fast flux | 1 | CS1 errors: missing periodical | |||
| Federal Desktop Core Configuration | Mid | Start | 3 | March 2009 | Cites unreliable sources (March 2009), Update needed (September 2010), CS1 errors: missing periodical |
| Federal Information Processing Standards | Low | Start | 1 | January 2024 | Update needed (January 2024) |
| Federal Office for Information Security | Mid | C | 3 | December 2021 | Unsourced passages need footnotes {{More citations needed}} (December 2021, January 2026), Unsourced passages need footnotes {{citation needed}} (January 2026) |
| Federated identity | High | Start | 2 | January 2017 | Unsourced passages need footnotes {{More citations needed}} (January 2017), CS1 errors: missing periodical |
| Festi | 3 | December 2013 | Unsourced passages need footnotes {{More citations needed}} (December 2013), Style editing needed (April 2014), Conflict of interest (April 2014) | ||
| Fifth Generation Systems | Unknown | Stub | 1 | August 2016 | Unsourced passages need footnotes {{More citations needed}} (August 2016) |
| File binder | Low | Stub | 2 | March 2018 | Unsourced passages need footnotes {{More citations needed}} (March 2018), Unsourced passages need footnotes {{citation needed}} (April 2023) |
| File deletion | 1 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024) | ||
| File-system permissions | High | C | 1 | July 2024 | Failed verification (July 2024) |
| Filecoin | 1 | October 2024 | Factual verification needed (October 2024) | ||
| Fileless malware | 1 | April 2024 | Dead external links {{dead link}} (April 2024) | ||
| Filesystem-level encryption | 3 | January 2011 | Clarification needed (January 2011), Unsourced passages need footnotes {{citation needed}} (November 2013), Unsourced passages need footnotes {{More citations needed}} (October 2024) | ||
| FinFisher | High | C | 1 | April 2019 | Dead external links {{dead link}} (April 2019) |
| Finjan Holdings | Low | Start | 3 | September 2010 | Unsourced passages need footnotes {{citation needed}} (September 2010), Weasel-worded phrases (November 2020), Unsourced passages need footnotes {{More citations needed}} (December 2020) |
| Fireball (software) | Low | C | 2 | August 2017 | Orphaned (August 2017), Pages with broken anchors (see article talk page, remove when fixed) |
| Firefox version history | 6 | February 2010 | Potentially dated statements (February 2010, April 2015), Unsourced passages need footnotes {{citation needed}} (June 2017), CS1 errors: generic name, Cleanup needed (May 2023, May 2023) | ||
| Firestarter (firewall) | Mid | Stub | 1 | March 2010 | Cites unreliable sources (March 2010) |
| Firewall (computing) | 1 | August 2020 | Unsourced passages need footnotes {{citation needed}} (August 2020) | ||
| Firewall pinhole | Mid | Stub | 1 | March 2025 | Unsourced passages need footnotes {{citation needed}} (March 2025) |
| FixMeStick | 1 | October 2025 | Promotional tone (October 2025) | ||
| FlashGet | 1 | June 2011 | Notability unclear (June 2011) | ||
| Forcepoint | Unknown | Start | 1 | August 2023 | Dead external links {{dead link}} (August 2023) |
| Foreshadow | 1 | March 2023 | Dead external links {{dead link}} (March 2023) | ||
| Fork (blockchain) | Low | Start | 2 | May 2019 | Unsourced passages need footnotes {{citation needed}} (May 2019), Clarification needed (September 2021) |
| Form (computer virus) | High | Start | 1 | November 2020 | Clarification needed (November 2020) |
| Fortify Software | Unknown | Start | 1 | August 2020 | Unsourced passages need footnotes {{citation needed}} (August 2020) |
| Fortinet | Mid | C | 3 | October 2024 | Promotional tone (October 2024), Unsourced passages need footnotes {{citation needed}} (January 2025), Cites unreliable sources (March 2025) |
| Fortuna (PRNG) | 1 | September 2013 | Has general references but lacks inline footnotes (September 2013) | ||
| Forum spam | Low | Start | 1 | November 2015 | Unsourced passages need footnotes {{More citations needed}} (November 2015) |
| Forward secrecy | 3 | February 2018 | Unsourced passages need footnotes {{More citations needed}} (February 2018), Potentially dated statements (February 2019, June 2025) | ||
| FragAttacks | Low | Stub | 1 | June 2024 | Expansion needed (June 2024) |
| FreeRADIUS | Low | Start | 2 | September 2015 | Cites unreliable sources (September 2015), Unsourced passages need footnotes {{citation needed}} (September 2023) |
| Freedom Hosting | 1 | CS1 errors: missing periodical | |||
| Friend-to-friend | 1 | December 2011 | Has general references but lacks inline footnotes (December 2011) | ||
| Fuchsia (operating system) | 1 | July 2025 | Weasel-worded phrases (July 2025) | ||
| Fufufafa | Unknown | C | 1 | May 2025 | Update needed (May 2025) |
| Full disclosure (computer security) | High | Start | 1 | June 2022 | Weasel-worded phrases (June 2022) |
| Fun.exe | 1 | November 2009 | Unsourced passages need footnotes {{More citations needed}} (November 2009) | ||
| Fuzzing | 1 | February 2023 | Expansion needed (February 2023) | ||
| G Data CyberDefense | Low | Start | 1 | April 2026 | Dead external links {{dead link}} (April 2026) |
| GNUnet | 3 | April 2019 | Update needed (April 2019), Unsourced passages need footnotes {{More citations needed}} (April 2019), Vague or ambiguous time (May 2019) | ||
| GadgetTrak | Low | C | 1 | October 2016 | Promotional tone (October 2016) |
| Garak (software) | Unknown | Start | 1 | September 2025 | Conflict of interest (September 2025) |
| Gary McGraw (BLP) | Low | Stub | 1 | November 2013 | Unsourced passages need footnotes {{citation needed}} (November 2013) |
| Gcov | 2 | August 2017 | Weasel-worded phrases (August 2017), Style editing needed (October 2020) | ||
| Gemalto | 4 | April 2013 | Unsourced passages need footnotes {{citation needed}} (April 2013), Conflict of interest (July 2014), Promotional tone (May 2022), Clarification needed (December 2022) | ||
| Gen Digital | 6 | June 2013 | Clarification needed (June 2013), Potentially dated statements (2017, April 2026), Unsourced passages need footnotes {{citation needed}} (April 2017, May 2017, April 2025) | ||
| Gene Spafford (BLP) | Low | Start | 3 | January 2010 | BLP articles lacking sources (January 2010), Dead external links {{dead link}} (July 2025, August 2025) |
| Genetic privacy | Mid | Start | 3 | December 2016 | Expansion needed (December 2016, January 2017), Categories needed (March 2023) |
| Genieo | Mid | C | 1 | August 2017 | Dead external links {{dead link}} (August 2017) |
| Geofence | 3 | January 2020 | CS1 errors: missing periodical, Page number citations needed (January 2020), Unsourced passages need footnotes {{More citations needed}} (April 2022) | ||
| German Federation of Consumer Organisations v Planet49 GmbH | Low | Start | 1 | May 2020 | Orphaned (May 2020) |
| Ghidra | 1 | June 2026 | Weasel-worded phrases (June 2026) | ||
| GhostNet | Mid | C | 2 | July 2020 | Unsourced passages need footnotes {{citation needed}} (July 2020), Clarification needed (July 2020) |
| Ghostball (computer virus) | 1 | May 2008 | Unsourced passages need footnotes {{More citations needed}} (May 2008) | ||
| Gigabit Video Interface | 2 | March 2017 | Has general references but lacks inline footnotes (March 2017), Cites unreliable sources (March 2017) | ||
| GingerMaster | Low | Start | 1 | June 2024 | Dead external links {{dead link}} (June 2024) |
| Glibc | 1 | May 2021 | Cites unreliable sources (May 2021) | ||
| Global kOS | 2 | December 2019 | Dead external links {{dead link}} (December 2019, January 2026) | ||
| GlobalSign | Unknown | Start | 2 | April 2024 | CS1 errors: generic name, Promotional tone (April 2024) |
| GnuTLS | 1 | January 2015 | Unsourced passages need footnotes {{More citations needed}} (January 2015) | ||
| GoGuardian | 1 | May 2026 | Wikipedia neutral point of view disputes (May 2026) | ||
| Goatse Security | Low | Start | 1 | August 2023 | Dead external links {{dead link}} (August 2023) |
| Gobuster | Low | Stub | 2 | December 2024 | Notability unclear (December 2024), Orphaned (December 2024) |
| Google Fonts | 2 | April 2021 | Unsourced passages need footnotes {{citation needed}} (April 2021), Potentially dated statements (June 2026) | ||
| Google Native Client | 1 | May 2010 | Potentially dated statements (May 2010) | ||
| Government Security Classifications Policy | Mid | B | 2 | August 2025 | Clarification needed (August 2025), Dead external links {{dead link}} (February 2026) |
| Government hacking | Low | C | 2 | July 2019 | Unsourced passages need footnotes {{More citations needed}} (July 2019, July 2020) |
| Graham–Denning model | Low | Stub | 1 | March 2019 | Has general references but lacks inline footnotes (March 2019) |
| GrapheneOS | Mid | B | 2 | CS1 errors: missing title, CS1 errors: bare URL | |
| Graphical identification and authentication | Low | B | 1 | March 2017 | Unsourced passages need footnotes {{More citations needed}} (March 2017) |
| Gray Areas | Low | Start | 2 | April 2023 | Unsourced passages need footnotes {{More citations needed}} (April 2023), Cites unreliable sources (April 2023) |
| Grayshift | Low | Start | 1 | July 2024 | Vague or ambiguous time (July 2024) |
| Great Firewall | 4 | May 2018 | Unsourced passages need footnotes {{citation needed}} (May 2018, January 2020, June 2021), Accuracy disputes or self-published (October 2020) | ||
| Great Hacker War | Low | Start | 3 | December 2007 | Style editing needed (December 2007), Has general references but lacks inline footnotes (December 2020), Vague or ambiguous time (July 2023) |
| Greg Martin (entrepreneur) (BLP) | 1 | August 2019 | Unsourced passages need footnotes {{citation needed}} (August 2019) | ||
| Group (computing) | Low | Start | 1 | January 2024 | Unsourced passages need footnotes {{More citations needed}} (January 2024) |
| Guard (information security) | 2 | September 2018 | Cites unreliable sources (September 2018), CS1 errors: requires URL | ||
| Guidance Software | 5 | March 2018 | Cites unreliable sources (March 2018), Dead external links {{dead link}} (July 2021), Notability unclear (September 2025), Unsourced passages need footnotes {{More citations needed}} (September 2025), Update needed (September 2025) | ||
| Guided tour puzzle protocol | Unknown | Start | 2 | August 2016 | Unsourced passages need footnotes {{citation needed}} (August 2016, March 2022) |
| H. D. Moore (BLP) | Unknown | Start | 1 | January 2022 | Cites unreliable sources (January 2022) |
| HACKEN | Unknown | C | 2 | January 2023 | Reference cleanup (January 2023), Orphaned (June 2025) |
| HAIFA construction | 1 | July 2017 | Unsourced passages need footnotes {{More citations needed}} (July 2017) | ||
| HERAS-AF | Low | Stub | 1 | May 2022 | Unsourced passages need footnotes {{More citations needed}} (May 2022) |
| HMA (VPN) | Low | Start | 1 | August 2023 | Dead external links {{dead link}} (August 2023) |
| HMAC-based one-time password | 3 | December 2020 | Introduction cleanup (December 2020), Too technical (December 2020), Update needed (August 2023) | ||
| HTTP Flood | Low | Stub | 2 | June 2017 | Unsourced passages need footnotes {{More citations needed}} (June 2017), Unsourced passages need footnotes {{citation needed}} (August 2022) |
| HTTP cookie | High | C | 6 | September 2011 | Unsourced passages need footnotes {{More citations needed}} (September 2011), Original research (September 2011), Potentially dated statements (2014, 2016), Cites unreliable sources (October 2022), Failed verification (October 2022) |
| HTTP header injection | Unknown | Stub | 1 | March 2024 | Reference cleanup (March 2024) |
| HTTP referer | 1 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024) | ||
| HTTP/1.1 Upgrade header | 1 | CS1 errors: missing periodical | |||
| HTTPS | 8 | February 2015 | CS1 errors: dates, Update needed (February 2015, April 2025), Potentially dated statements (April 2018, February 2019, July 2023, June 2025), Unsourced passages need footnotes {{citation needed}} (April 2024) | ||
| Hack-Tic | Low | Start | 1 | October 2013 | Unsourced passages need footnotes {{More citations needed}} (October 2013) |
| Hack.lu | Low | Start | 1 | October 2011 | Notability unclear (October 2011) |
| HackThisSite | Low | C | 2 | May 2019 | Unsourced passages need footnotes {{citation needed}} (May 2019), Weasel-worded phrases (December 2020) |
| Hacker | Unknown | C | 3 | June 2026 | Rewrite needed (June 2026), Incomplete citations (June 2026), Unsourced passages need footnotes {{citation needed}} (June 2026) |
| Hacker Dojo | Unknown | Start | 5 | October 2011 | Unsourced passages need footnotes {{citation needed}} (October 2011, May 2013), Failed verification (December 2013), Conflict of interest (April 2016), Dead external links {{dead link}} (July 2025) |
| Hacker culture | 6 | April 2011 | Unsourced passages need footnotes {{citation needed}} (April 2011, May 2011, July 2012, May 2021, November 2023), CS1 errors: periodical ignored | ||
| Hacker ethic | High | C | 3 | July 2017 | Unsourced passages need footnotes {{More citations needed}} (July 2017, July 2023), Style editing needed (January 2018) |
| Hackers (film) | Low | C | 1 | October 2017 | Dead external links {{dead link}} (October 2017) |
| Hackers Wanted | Low | Stub | 2 | December 2025 | Notability unclear (December 2025), Unsourced passages need footnotes {{More citations needed}} (December 2025) |
| Hackers in Wonderland | Low | Stub | 1 | October 2010 | Cites unreliable sources (October 2010) |
| Hackers on Planet Earth | Low | Start | 4 | December 2011 | Cites unreliable sources (December 2011), Unsourced passages need footnotes {{citation needed}} (April 2015, July 2018), Unsourced passages need footnotes {{More citations needed}} (April 2025) |
| Hacking back | Low | Stub | 1 | September 2024 | Clarification needed (September 2024) |
| Hacking: The Art of Exploitation | Unknown | Start | 2 | January 2016 | Promotional tone (January 2016), Unsourced passages need footnotes {{More citations needed}} (July 2018) |
| HackingTeam | Mid | B | 3 | May 2019 | Unsourced passages need footnotes {{citation needed}} (May 2019), CS1 errors: generic title, CS1 errors: periodical ignored |
| Hacktivism | High | C | 8 | January 2010 | Unsourced passages need footnotes {{citation needed}} (January 2010, July 2011, September 2014, November 2020, November 2023, December 2025), Clarification needed (January 2010), Weasel-worded phrases (September 2014) |
| Hail Mary Cloud | Low | Stub | 1 | August 2020 | Unsourced passages need footnotes {{More citations needed}} (August 2020) |
| Happy99 | Low | B | 2 | July 2024 | CS1 errors: missing periodical, Dead external links {{dead link}} (July 2024) |
| Hardware backdoor | Low | C | 1 | January 2017 | Expansion needed (January 2017) |
| Hardware keylogger | Low | Start | 2 | April 2009 | Unsourced passages need footnotes {{citation needed}} (April 2009), Unsourced passages need footnotes {{More citations needed}} (November 2019) |
| Hardware security module | Mid | Start | 2 | November 2017 | Unsourced passages need footnotes {{More citations needed}} (November 2017), Unsourced passages need footnotes {{citation needed}} (June 2024) |
| Hardware trojan | Low | C | 1 | April 2013 | Has general references but lacks inline footnotes (April 2013) |
| Hardware-based full disk encryption | 5 | April 2013 | Minor POV problems (April 2013), Unsourced passages need footnotes {{citation needed}} (October 2013, December 2024), Clarification needed (July 2016), Dead external links {{dead link}} (August 2025) | ||
| Hare (computer virus) | 1 | September 2014 | Unsourced passages need footnotes {{More citations needed}} (September 2014) | ||
| HarmonyOS | 4 | August 2025 | Dead external links {{dead link}} (August 2025, September 2025), Potentially dated statements (December 2025), Clarification needed (January 2026) | ||
| Harri Hursti (BLP) | Low | Start | 1 | May 2020 | Unsourced passages need footnotes {{citation needed}} (May 2020) |
| Hash list | 2 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024), Unsourced passages need footnotes {{More citations needed}} (November 2024) | ||
| Have I Been Pwned? | High | Start | 1 | June 2019 | Potentially dated statements (June 2019) |
| Heap overflow | Mid | Start | 1 | June 2026 | Unsourced passages need footnotes {{citation needed}} (June 2026) |
| Heap spraying | Mid | Start | 1 | March 2021 | Update needed (March 2021) |
| Heartbleed | 9 | May 2014 | Potentially dated statements (June 2014, May 2014, January 2017, July 2017, July 2019), Unsourced passages need footnotes {{citation needed}} (July 2018, January 2019), Dead external links {{dead link}} (August 2023), Failed verification (October 2025) | ||
| Hector Martin (hacker) (BLP) | 1 | November 2022 | Factual verification needed (November 2022) | ||
| Heuristic analysis | Unknown | Stub | 1 | June 2012 | Unsourced passages need footnotes {{More citations needed}} (June 2012) |
| Hi-Tech Crime Enquiry Cell | Low | Stub | 2 | August 2010 | Cites unreliable sources (August 2010), Orphaned (February 2025) |
| High Orbit Ion Cannon | Mid | C | 1 | January 2019 | Unsourced passages need footnotes {{citation needed}} (January 2019) |
| High-bandwidth Digital Content Protection | 4 | July 2014 | Vague or ambiguous time (July 2014, February 2015), Unsourced passages need footnotes {{citation needed}} (July 2014), Weasel-worded phrases (February 2015) | ||
| HijackThis | 1 | May 2024 | Cites unreliable sources (May 2024) | ||
| Hillary Clinton email controversy | 2 | October 2022 | Dead external links {{dead link}} (October 2022), Unsourced passages need footnotes {{citation needed}} (July 2023) | ||
| Hit-and-run DDoS | 2 | August 2014 | Unsourced passages need footnotes {{More citations needed}} (August 2014), Notability unclear (August 2014) | ||
| Hive (ransomware) | Low | B | 1 | August 2023 | Unsourced passages need footnotes {{citation needed}} (August 2023) |
| HoHoCon | Low | Stub | 2 | September 2011 | Cites unreliable sources (September 2011), Unsourced passages need footnotes {{citation needed}} (July 2014) |
| Homomorphic encryption | 1 | February 2025 | Unsourced passages need footnotes {{More citations needed}} (February 2025) | ||
| HoneyMonkey | Mid | Start | 2 | August 2014 | Notability unclear (August 2014), Dead external links {{dead link}} (May 2025) |
| Honeyd | Low | Start | 1 | April 2026 | Unsourced passages need footnotes {{More citations needed}} (April 2026) |
| Honeynet Project | Low | Stub | 2 | October 2014 | Promotional tone (October 2014), Unsourced passages need footnotes {{More citations needed}} (August 2018) |
| Honeypot (computing) | High | Start | 1 | CS1 errors: missing periodical | |
| Honker Union | Unknown | Stub | 4 | April 2009 | Unsourced passages need footnotes {{More citations needed}} (April 2009), Weasel-worded phrases (February 2013), Unsourced passages need footnotes {{citation needed}} (February 2025, March 2025) |
| Hooksafe | 3 | January 2014 | Reference cleanup (January 2014), Unsourced passages need footnotes {{More citations needed}} (January 2014), CS1 errors: missing periodical | ||
| Host Based Security System | Low | C | 2 | June 2019 | Update needed (June 2019), Dead external links {{dead link}} (August 2021) |
| Host protected area | Mid | Start | 1 | February 2025 | Unsourced passages need footnotes {{citation needed}} (February 2025) |
| Host-based intrusion detection system | Low | Start | 3 | 2005 | Potentially dated statements (2005), Unsourced passages need footnotes {{More citations needed}} (July 2011), Original research (July 2011) |
| HouseCall | NA | Redirect | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Howard Schmidt | Mid | Start | 3 | January 2020 | Dead external links {{dead link}} (January 2020, August 2024, December 2024) |
| Hoxhunt | 1 | November 2025 | Orphaned (November 2025) | ||
| Huawei | 9 | 2010 | Potentially dated statements (2010, August 2018, 2019, 2023, 2024), Factual verification needed (May 2019, October 2023), Dead external links {{dead link}} (June 2024), Clarification needed (November 2025) | ||
| Human rights and encryption | Mid | C | 3 | February 2018 | Unsourced passages need footnotes {{citation needed}} (February 2018), Dead external links {{dead link}} (December 2021), Style editing needed (March 2024) |
| Human–computer interaction | Low | C | 2 | February 2013 | Unsourced passages need footnotes {{citation needed}} (February 2013), Unsourced passages need footnotes {{More citations needed}} (December 2022) |
| Hybrid warfare | High | C | 7 | April 2021 | Disputed statements (April 2021, March 2022, May 2026), Weasel-worded phrases (March 2022), Cites unreliable sources (March 2022, October 2023), Unsourced passages need footnotes {{citation needed}} (May 2026) |
| Hybris (computer worm) | 1 | February 2021 | Has general references but lacks inline footnotes (February 2021) | ||
| Hyperledger | 2 | October 2016 | Cites unreliable sources (October 2016), Promotional tone (May 2019) | ||
| I2P | 6 | 2015 | Potentially dated statements (2015), Cites unreliable sources (August 2017), Unsourced passages need footnotes {{citation needed}} (September 2023, February 2024, August 2025), Expansion needed (May 2024) | ||
| IBM 4764 | 2 | March 2022 | Has general references but lacks inline footnotes (March 2022), Cites unreliable sources (March 2022) | ||
| IBM Secure Service Container | 1 | August 2025 | Dead external links {{dead link}} (August 2025) | ||
| ID.me | Low | Start | 2 | October 2024 | Promotional tone (October 2024), Dead external links {{dead link}} (February 2026) |
| IDN homograph attack | Mid | C | 3 | October 2009 | Unsourced passages need footnotes {{citation needed}} (October 2009, August 2020, July 2023) |
| IEEE 802.11w-2009 | 1 | August 2013 | Has general references but lacks inline footnotes (August 2013) | ||
| IEEE 802.1X | 1 | March 2024 | Promotional tone (March 2024) | ||
| IID (company) | Unknown | Start | 1 | August 2023 | Dead external links {{dead link}} (August 2023) |
| INCA Internet | Unknown | C | 3 | October 2016 | Unsourced passages need footnotes {{citation needed}} (October 2016), Buzzword cleanup (December 2021), Dead external links {{dead link}} (August 2023) |
| INOC-DBA | Low | Start | 1 | May 2025 | Dead external links {{dead link}} (May 2025) |
| IObit Malware Fighter | Low | C | 1 | December 2023 | Notability unclear (December 2023) |
| IP access controller | Low | Stub | 1 | August 2022 | Cites no sources (August 2022) |
| IPVM | Low | C | 1 | January 2020 | Potentially dated statements (January 2020) |
| IPVanish | 1 | CS1 errors: generic name | |||
| IPsec | 1 | January 2019 | Unsourced passages need footnotes {{citation needed}} (January 2019) | ||
| ISACA | Low | Start | 2 | 2008 | Potentially dated statements (2008), Cites unreliable sources (November 2015) |
| ISO 22301 | 1 | July 2021 | Page number citations needed (July 2021) | ||
| ISO/IEC 19790 | Low | Stub | 1 | March 2025 | Potentially dated statements (March 2025) |
| ISO/IEC 27000 | Mid | Start | 1 | April 2017 | Cites unreliable sources (April 2017) |
| ISO/IEC 27001 | 2 | April 2014 | Unsourced passages need footnotes {{More citations needed}} (April 2014, February 2025) | ||
| ISO/IEC 27002 | Low | Start | 1 | January 2013 | Unsourced passages need footnotes {{More citations needed}} (January 2013) |
| ISP redirect page | Low | Stub | 1 | August 2022 | Unsourced passages need footnotes {{citation needed}} (August 2022) |
| IT Army of Ukraine | Low | Start | 1 | March 2022 | Potentially dated statements (March 2022) |
| IT baseline protection | Low | C | 2 | October 2012 | Unsourced passages need footnotes {{More citations needed}} (October 2012), Dead external links {{dead link}} (January 2020) |
| IT disaster recovery | 4 | November 2018 | Unsourced passages need footnotes {{citation needed}} (November 2018), Dead external links {{dead link}} (February 2024, August 2024), Failed verification (January 2025) | ||
| IT risk | Top | C | 2 | May 2025 | Dead external links {{dead link}} (May 2025, July 2025) |
| IT risk management | High | Start | 1 | CS1 errors: missing periodical | |
| ITIL security management | High | C | 1 | August 2016 | Unsourced passages need footnotes {{More citations needed}} (August 2016) |
| Identity Theft Resource Center | 1 | January 2024 | Unsourced passages need footnotes {{More citations needed}} (January 2024) | ||
| Identity and access management | High | C | 1 | May 2016 | Unsourced passages need footnotes {{citation needed}} (May 2016) |
| Identity driven networking | Low | Start | 3 | December 2007 | Original research (December 2007, October 2014), Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Identity-based security | Low | Start | 3 | April 2017 | Unsourced passages need footnotes {{More citations needed}} (April 2017), Introduction cleanup (April 2017), Unsourced passages need footnotes {{citation needed}} (January 2021) |
| Idle scan | Mid | Start | 1 | October 2010 | Clarification needed (October 2010) |
| Ilfak Guilfanov (BLP) | Low | Stub | 1 | July 2014 | BLP articles lacking sources (July 2014) |
| Illegal opcode | 2 | December 2010 | Unsourced passages need footnotes {{More citations needed}} (December 2010), Has general references but lacks inline footnotes (June 2020) | ||
| Immunet | Low | B | 3 | 2014 | Potentially dated statements (2014), Unsourced passages need footnotes {{citation needed}} (May 2018), Links needing disambiguation (December 2025) |
| In-session phishing | Unknown | Stub | 2 | July 2024 | Update needed (July 2024), Incomplete citations (July 2024) |
| Incident Command System | 4 | August 2020 | Unsourced passages need footnotes {{citation needed}} (August 2020, May 2024, April 2025), Unsourced passages need footnotes {{More citations needed}} (May 2024) | ||
| Incident Object Description Exchange Format | Low | Start | 2 | May 2016 | Unsourced passages need footnotes {{More citations needed}} (May 2016), Has general references but lacks inline footnotes (July 2024) |
| Indian WhatsApp lynchings | High | List | 1 | January 2019 | Original research (January 2019) |
| InfoSec Institute | Low | Stub | 2 | June 2018 | Viewpoints needed (June 2018), Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Information Security Forum | Low | Start | 1 | December 2016 | Has general references but lacks inline footnotes (December 2016) |
| Information Security Group | Low | Start | 1 | September 2025 | Dead external links {{dead link}} (September 2025) |
| Information Systems Security Association | Mid | Start | 1 | CS1 errors: generic name | |
| Information assurance | High | B | 2 | January 2020 | Dead external links {{dead link}} (January 2020), Unsourced passages need footnotes {{citation needed}} (August 2023) |
| Information assurance vulnerability alert | Low | Start | 1 | March 2026 | Unsourced passages need footnotes {{More citations needed}} (March 2026) |
| Information operations condition | Low | Start | 2 | February 2023 | CS1 errors: missing periodical, Unsourced passages need footnotes {{citation needed}} (February 2023) |
| Information security | Top | B | 5 | June 2021 | CS1 errors: requires URL, Unsourced passages need footnotes {{citation needed}} (June 2021, November 2023, February 2026), Page number citations needed (January 2023) |
| Information security audit | Low | Start | 3 | June 2016 | Unsourced passages need footnotes {{More citations needed}} (June 2016, March 2021), Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Information security awareness | 3 | April 2015 | Style editing needed (April 2015), CS1 errors: missing title, CS1 errors: bare URL | ||
| Information security management | 1 | October 2025 | Unsourced passages need footnotes {{citation needed}} (October 2025) | ||
| Information security standards | Top | C | 1 | September 2025 | Dead external links {{dead link}} (September 2025) |
| Information sensitivity | Low | Start | 2 | July 2007 | Unsourced passages need footnotes {{More citations needed}} (July 2007), Limited geographic scope (May 2022) |
| Information technology | 4 | 2007 | Potentially dated statements (2007), Page number citations needed (September 2017), CS1 errors: ISBN date, Dead external links {{dead link}} (September 2025) | ||
| Information technology controls | High | Start | 1 | September 2025 | Dead external links {{dead link}} (September 2025) |
| InfraGard | High | Start | 3 | February 2016 | Cites unreliable sources (February 2016), CS1 errors: missing periodical, CS1 errors: requires URL |
| Infysec | Low | Start | 4 | January 2019 | Unsourced passages need footnotes {{citation needed}} (January 2019, March 2023), Dead external links {{dead link}} (August 2023), Notability unclear (July 2024) |
| Ingress filtering | 2 | February 2014 | Unsourced passages need footnotes {{More citations needed}} (February 2014), Unsourced passages need footnotes {{citation needed}} (June 2025) | ||
| Inputlog | Low | Start | 1 | November 2015 | Has general references but lacks inline footnotes (November 2015) |
| Insider threat | 2 | September 2022 | Unsourced passages need footnotes {{citation needed}} (September 2022), CS1 errors: periodical ignored | ||
| Institute for Information Infrastructure Protection | Mid | C | 2 | March 2007 | Unsourced passages need footnotes {{More citations needed}} (March 2007), Promotional tone (June 2020) |
| Integer overflow | Unknown | Start | 4 | 2005 | Potentially dated statements (2005, 2025), Cites unreliable sources (October 2024), Unsourced passages need footnotes {{citation needed}} (February 2025) |
| Intego | 1 | August 2025 | Unsourced passages need footnotes {{More citations needed}} (August 2025) | ||
| Intel Active Management Technology | High | C | 4 | July 2011 | Unsourced passages need footnotes {{citation needed}} (July 2011), Potentially dated statements (2015), Dead external links {{dead link}} (November 2017), Promotional tone (March 2019) |
| Intel Management Engine | High | C | 5 | 2017 | Potentially dated statements (2017), Unsourced passages need footnotes {{citation needed}} (September 2021), Cites unreliable sources (May 2023), Disputed statements (September 2025), Update needed (March 2026) |
| Intel vPro | 9 | September 2013 | Viewpoints needed (September 2013), Too technical (September 2013), Cites unreliable sources (February 2014, August 2021), Update needed (February 2014), Rewrite needed (February 2014), Unsourced passages need footnotes {{citation needed}} (March 2026), Reference cleanup (March 2026), Unsourced passages need footnotes {{More citations needed}} (March 2026) | ||
| Interest Flooding Attack | Unknown | Stub | 2 | June 2015 | Clarification needed (June 2015), Unsourced passages need footnotes {{citation needed}} (September 2025) |
| International Computer Security Association | Low | Start | 1 | July 2016 | Cites no sources (July 2016) |
| International Cybersecurity Challenge | Low | Stub | 1 | January 2026 | Cites unreliable sources (January 2026) |
| International Multilateral Partnership Against Cyber Threats | Low | Start | 3 | March 2013 | Potentially dated statements (2013), Has general references but lacks inline footnotes (March 2013), Dead external links {{dead link}} (January 2020) |
| International Safe Harbor Privacy Principles | Low | C | 1 | April 2020 | Update needed (April 2020) |
| Internet Gateway Device Protocol | 1 | April 2016 | Cites unreliable sources (April 2016) | ||
| Internet Key Exchange | 2 | February 2009 | Clarification needed (February 2009), CS1 errors: periodical ignored | ||
| Internet Security Awareness Training | Mid | C | 1 | CS1 errors: missing periodical | |
| Internet Storm Center | Mid | Start | 2 | February 2010 | Cites unreliable sources (February 2010), Has general references but lacks inline footnotes (November 2017) |
| Internet censorship in China | 8 | April 2019 | Unsourced passages need footnotes {{citation needed}} (April 2019, August 2025, June 2026), Clarification needed (August 2020), Cites unreliable sources (August 2020, August 2022, April 2025), Weasel-worded phrases (August 2020) | ||
| Internet kill switch | 5 | October 2016 | Clarification needed (October 2016), Weasel-worded phrases (October 2016), Dead external links {{dead link}} (August 2021), Cites unreliable sources (June 2023), Style editing needed (December 2024) | ||
| Internet leak | High | C | 3 | August 2020 | Unsourced passages need footnotes {{More citations needed}} (August 2020), Prose needed (July 2021), Cleanup needed (July 2021) |
| Internet security | High | C | 2 | April 2009 | Unsourced passages need footnotes {{More citations needed}} (April 2009), Unsourced passages need footnotes {{citation needed}} (January 2024) |
| Internet security awareness | Low | Stub | 1 | July 2024 | Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Intruder detection | 2 | March 2009 | Unsourced passages need footnotes {{citation needed}} (March 2009), Unsourced passages need footnotes {{More citations needed}} (December 2024) | ||
| Intrusion detection system evasion techniques | Low | Start | 1 | CS1 errors: missing periodical | |
| Intuitive Password | Unknown | Stub | 1 | February 2026 | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Investigation of 2025 Czech government Bitcoin scandal | 3 | March 2026 | Reference errors, Unsourced passages need footnotes {{citation needed}} (March 2026), Copied and pasted articles and sections with url provided (April 2026) | ||
| Iptables | Mid | C | 2 | November 2009 | Clarification needed (November 2009), Has general references but lacks inline footnotes (April 2015) |
| Ivanti | 1 | February 2026 | Dead external links {{dead link}} (February 2026) | ||
| JASBUG | 1 | January 2020 | Dead external links {{dead link}} (January 2020) | ||
| JSON Web Token | 3 | January 2024 | Cites unreliable sources (January 2024), Unsourced passages need footnotes {{More citations needed}} (February 2026), Cleanup needed (February 2026) | ||
| Jacob Appelbaum (BLP) | Low | B | 1 | October 2022 | Dead external links {{dead link}} (October 2022) |
| Jacob Riggs | Low | Stub | 2 | February 2026 | Orphaned (February 2026), Categories needed (February 2026) |
| James Dolan (computer security expert) | Low | Start | 1 | January 2018 | Unsourced passages need footnotes {{citation needed}} (January 2018) |
| James Gray Kyd | Low | Start | 1 | September 2021 | Unsourced passages need footnotes {{citation needed}} (September 2021) |
| Jart Armin (BLP) | 2 | February 2020 | Dead external links {{dead link}} (February 2020), Unsourced passages need footnotes {{citation needed}} (May 2021) | ||
| Jay Chaudhry (BLP) | Low | Stub | 1 | CS1 errors: generic name | |
| Jean-Bernard Condat (BLP) | Low | Start | 1 | December 2025 | Dead external links {{dead link}} (December 2025) |
| Jeanson James Ancheta (BLP) | Low | Start | 2 | April 2023 | Dead external links {{dead link}} (April 2023, September 2024) |
| Jeff Moss (hacker) (BLP) | Low | Start | 1 | June 2011 | Weasel-worded phrases (June 2011) |
| Jeffrey Hunker | Low | Stub | 2 | November 2017 | Dead external links {{dead link}} (November 2017), Cites unreliable sources (March 2026) |
| Jennifer Arcuri (BLP) | Low | C | 1 | January 2026 | Dead external links {{dead link}} (January 2026) |
| Jerusalem (computer virus) | Low | C | 1 | September 2021 | Unsourced passages need footnotes {{citation needed}} (September 2021) |
| Jigsaw (company) | 3 | June 2020 | Promotional tone (June 2020), Factual verification needed (December 2020), Vague or ambiguous time (January 2026) | ||
| Jim Christy (BLP) | Low | Stub | 2 | November 2007 | BLP articles lacking sources (November 2007), CS1 errors: periodical ignored |
| Jim Stickley (BLP) | 1 | November 2024 | Dead external links {{dead link}} (November 2024) | ||
| Jingwang Weishi | 1 | March 2023 | Dead external links {{dead link}} (March 2023) | ||
| Joanna Rutkowska (BLP) | Unknown | Start | 1 | May 2023 | Failed verification (May 2023) |
| Johan Helsingius (BLP) | Low | Start | 2 | July 2023 | Notability unclear (July 2023), BLP articles lacking sources (August 2023) |
| John the Ripper | Low | Start | 2 | June 2014 | Unsourced passages need footnotes {{More citations needed}} (June 2014, November 2024) |
| Joint Enterprise Defense Infrastructure | 1 | March 2024 | Unsourced passages need footnotes {{citation needed}} (March 2024) | ||
| Jon Callas (BLP) | Mid | Start | 1 | April 2023 | Dead external links {{dead link}} (April 2023) |
| Jon Chang Hyok | Low | Start | 1 | August 2025 | Notability unclear (August 2025) |
| Joseph Steinberg (cybersecurity) (BLP) | Unknown | Start | 2 | April 2025 | Categories needed (April 2025), Orphaned (August 2025) |
| Juice jacking | 1 | CS1 errors: generic name | |||
| Julian Wheatland (BLP) | 1 | CS1 errors: generic name | |||
| Jump server | 2 | October 2021 | Unsourced passages need footnotes {{More citations needed}} (October 2021), Original research (October 2021) | ||
| Juniper Networks | 1 | May 2026 | Dead external links {{dead link}} (May 2026) | ||
| Justin Cappos (BLP) | Unknown | C | 2 | CS1 errors: missing title, CS1 errors: bare URL | |
| KISS (algorithm) | 1 | October 2016 | Cites unreliable sources (October 2016) | ||
| KRACK | Mid | C | 1 | April 2019 | Clarification needed (April 2019) |
| KWallet | Low | C | 1 | August 2024 | Unsourced passages need footnotes {{citation needed}} (August 2024) |
| KYPS | Low | Start | 1 | December 2020 | Notability unclear (December 2020) |
| Kak worm | 1 | March 2010 | Has general references but lacks inline footnotes (March 2010) | ||
| Kamal Jabbour (BLP) | Low | B | 1 | March 2025 | Dead external links {{dead link}} (March 2025) |
| Kane Gamble (BLP) | Low | Start | 1 | November 2025 | Introduction cleanup (November 2025) |
| Karl Koch (hacker) | Low | Start | 3 | May 2020 | Vague or ambiguous time (May 2020), Unsourced passages need footnotes {{citation needed}} (May 2020), Unsourced passages need footnotes {{More citations needed}} (July 2020) |
| Kasidet | Unknown | Start | 1 | October 2025 | Dead external links {{dead link}} (October 2025) |
| Kaspersky Anti-Virus | Low | Start | 1 | March 2026 | Factual verification needed (March 2026) |
| Kaspersky Internet Security | Low | C | 1 | July 2009 | Unsourced passages need footnotes {{citation needed}} (July 2009) |
| Kaspersky Lab | 1 | August 2023 | Dead external links {{dead link}} (August 2023) | ||
| Kawaiicon | 1 | October 2018 | Unsourced passages need footnotes {{citation needed}} (October 2018) | ||
| Kazakhstan man-in-the-middle attack | Low | Stub | 1 | August 2019 | Potentially dated statements (August 2019) |
| KeePass | Mid | C | 1 | December 2018 | Unsourced passages need footnotes {{citation needed}} (December 2018) |
| KeeWeb | Low | Start | 1 | June 2020 | Notability unclear (June 2020) |
| Keeper (password manager) | Low | Start | 1 | May 2024 | Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Kelihos botnet | Low | C | 2 | October 2020 | Incomplete citations (October 2020), Dead external links {{dead link}} (November 2025) |
| Kenneth P. Weiss | Unknown | Start | 4 | January 2008 | BLP articles lacking sources (January 2008, November 2014), Weasel-worded phrases (November 2014), Unsourced passages need footnotes {{citation needed}} (November 2014) |
| Kensington Security Slot | 1 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024) | ||
| Kerberos (protocol) | High | C | 2 | November 2023 | Weasel-worded phrases (November 2023), Has general references but lacks inline footnotes (October 2025) |
| Keren Elazari (BLP) | Low | C | 1 | August 2023 | Cites unreliable sources (August 2023) |
| Kerio Technologies | Low | C | 2 | November 2016 | Notability unclear (November 2016), Conflict of interest (November 2016) |
| Kernel Patch Protection | Mid | B | 1 | January 2011 | Unsourced passages need footnotes {{citation needed}} (January 2011) |
| Kernel-level anti-cheat | Low | Start | 1 | April 2026 | Unsourced passages need footnotes {{citation needed}} (April 2026) |
| Key authentication | 1 | November 2023 | Unsourced passages need footnotes {{More citations needed}} (November 2023) | ||
| Key derivation function | 2 | July 2013 | Has general references but lacks inline footnotes (July 2013), Unsourced passages need footnotes {{citation needed}} (June 2015) | ||
| Key escrow | 1 | June 2019 | Has general references but lacks inline footnotes (June 2019) | ||
| Key finding attacks | Low | Start | 1 | October 2016 | Has general references but lacks inline footnotes (October 2016) |
| Key whitening | 2 | July 2020 | Has general references but lacks inline footnotes (July 2020), Unsourced passages need footnotes {{More citations needed}} (July 2020) | ||
| Key-agreement protocol | 1 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024) | ||
| Keybase | Low | Start | 1 | December 2024 | Unsourced passages need footnotes {{citation needed}} (December 2024) |
| Keychain (software) | Low | Start | 3 | July 2013 | Unsourced passages need footnotes {{More citations needed}} (July 2013), Unsourced passages need footnotes {{citation needed}} (March 2015), Cites unreliable sources (April 2020) |
| Keystroke dynamics | High | Start | 4 | January 2014 | Style editing needed (January 2014), Has general references but lacks inline footnotes (February 2014), Original research (February 2014), Unsourced passages need footnotes {{citation needed}} (February 2025) |
| Keystroke logging | Low | C | 2 | January 2021 | Vague or ambiguous time (January 2021), Clarification needed (January 2021) |
| Kill pill | Low | Start | 1 | May 2023 | Failed verification (May 2023) |
| Kill switch | Low | C | 2 | December 2015 | Unsourced passages need footnotes {{citation needed}} (December 2015), Dead external links {{dead link}} (May 2026) |
| Killbit | Low | Stub | 1 | August 2013 | Unsourced passages need footnotes {{More citations needed}} (August 2013) |
| Kleptography | Low | Start | 2 | October 2023 | CS1 errors: periodical ignored, Unsourced passages need footnotes {{citation needed}} (October 2023) |
| KoKo (computer virus) | Low | Stub | 1 | June 2025 | Dead external links {{dead link}} (June 2025) |
| Kon-Boot | Low | C | 2 | June 2024 | CS1 errors: missing periodical, Orphaned (June 2024) |
| Koobface | Low | C | 1 | June 2025 | Dead external links {{dead link}} (June 2025) |
| Korea Internet & Security Agency | Low | Stub | 2 | October 2018 | Unsourced passages need footnotes {{More citations needed}} (October 2018), Promotional tone (January 2026) |
| Kraken botnet | Unknown | Stub | 1 | April 2008 | Potentially dated statements (April 2008) |
| L0pht | Mid | C | 1 | January 2025 | Dead external links {{dead link}} (January 2025) |
| L0phtCrack | Unknown | Stub | 2 | CS1 errors: missing title, CS1 errors: bare URL | |
| LAN Manager | 1 | August 2016 | Unsourced passages need footnotes {{citation needed}} (August 2016) | ||
| LDAP injection | Low | Start | 2 | June 2024 | Orphaned (June 2024), Too technical (September 2024) |
| Lance Hoffman (BLP) | Low | Stub | 1 | December 2017 | Dead external links {{dead link}} (December 2017) |
| Language-based security | Low | C | 2 | February 2018 | Unsourced passages need footnotes {{More citations needed}} (February 2018), CS1 errors: missing periodical |
| Lansweeper | 1 | November 2020 | Promotional tone (November 2020) | ||
| Lapsus$ | Low | C | 1 | June 2025 | Update needed (June 2025) |
| Laptop theft | Low | Start | 1 | November 2008 | Unsourced passages need footnotes {{More citations needed}} (November 2008) |
| LastPass | Low | Start | 2 | September 2019 | Factual verification needed (September 2019), Cites unreliable sources (February 2024) |
| Lastline | 1 | August 2023 | Dead external links {{dead link}} (August 2023) | ||
| Lateral movement (cybersecurity) | Mid | Stub | 1 | August 2024 | Unsourced passages need footnotes {{citation needed}} (August 2024) |
| Lattice-based access control | Low | Stub | 1 | July 2024 | Has general references but lacks inline footnotes (July 2024) |
| Lavasoft | 5 | February 2012 | Unsourced passages need footnotes {{citation needed}} (February 2012), Viewpoints needed (June 2012), Potentially dated statements (December 2014), Update needed (March 2018), Clarification needed (September 2019) | ||
| Layer 2 Tunneling Protocol | 1 | February 2020 | Dead external links {{dead link}} (February 2020) | ||
| Lazarus Group | Mid | C | 1 | August 2021 | Vague or ambiguous time (August 2021) |
| Leadership of the United States Cyber Command | Mid | C | 1 | August 2021 | Incomplete lists (August 2021) |
| Leap (computer worm) | 2 | January 2012 | Unsourced passages need footnotes {{More citations needed}} (January 2012), Unsourced passages need footnotes {{citation needed}} (January 2012) | ||
| Legion of Doom (hacker group) | Low | Start | 3 | December 2007 | Style editing needed (December 2007), Unsourced passages need footnotes {{citation needed}} (June 2014), CS1 errors: missing periodical |
| Len Sassaman | Low | C | 1 | March 2026 | Vague or ambiguous time (March 2026) |
| Lenstra elliptic-curve factorization | 2 | 2006 | Potentially dated statements (2006), Too technical (December 2020) | ||
| Leonard Rose (hacker) (BLP) | Mid | Start | 1 | July 2015 | Unsourced passages need footnotes {{citation needed}} (July 2015) |
| Let's Encrypt | Low | B | 1 | March 2023 | Dead external links {{dead link}} (March 2023) |
| Level Seven (hacker group) | Low | Start | 1 | CS1 errors: missing periodical | |
| Library Freedom Project | 1 | September 2025 | Dead external links {{dead link}} (September 2025) | ||
| LibreSSL | Mid | C | 3 | April 2014 | Potentially dated statements (April 2014), Accuracy disputes or self-published (May 2014), Unsourced passages need footnotes {{citation needed}} (December 2021) |
| Lieberman Software | Low | Start | 1 | August 2017 | Orphaned (August 2017) |
| LightBasin | Low | Stub | 3 | April 2022 | Clarification needed (April 2022), Introduction cleanup (April 2022), Obsolete information (August 2025) |
| Lightning Network | Low | Start | 3 | July 2025 | Cites unreliable sources (July 2025), Off-topic sections (October 2025), Potentially dated statements (March 2026) |
| Lightspeed Systems | 1 | February 2026 | Update needed (February 2026) | ||
| Lightweight Portable Security | Unknown | C | 1 | April 2022 | Unsourced passages need footnotes {{citation needed}} (April 2022) |
| Link layer security | Low | Start | 1 | February 2018 | Dead external links {{dead link}} (February 2018) |
| Linked timestamping | Low | Start | 2 | September 2017 | Context needed (September 2017), CS1 errors: missing periodical |
| Linksys WRT54G series | 2 | November 2008 | Unsourced passages need footnotes {{citation needed}} (November 2008), Vague or ambiguous time (August 2012) | ||
| Linksys routers | 3 | June 2008 | Potentially dated statements (June 2008), Unsourced passages need footnotes {{citation needed}} (September 2021), Dead external links {{dead link}} (May 2025) | ||
| Linux Security Modules | 1 | 2025 | Potentially dated statements (2025) | ||
| Linux Unified Key Setup | 1 | CS1 errors: missing periodical | |||
| Linux malware | 3 | September 2019 | Dead external links {{dead link}} (September 2019), Unsourced passages need footnotes {{citation needed}} (August 2024), Unsourced passages need footnotes {{More citations needed}} (July 2025) | ||
| Linux-VServer | 2 | January 2014 | Has general references but lacks inline footnotes (January 2014), Cites unreliable sources (May 2014) | ||
| List of FreeBSD malware | Low | List | 1 | May 2025 | Notability unclear (May 2025) |
| List of TCP and UDP port numbers | 52 | 2000 | Potentially dated statements (2000, September 2017, December 2017), Expert attention needed (October 2016), Unsourced passages need footnotes {{citation needed}} (November 2011, March 2012, August 2013, December 2013, August 2016, September 2016, October 2016, January 2017, February 2017, June 2017, August 2017, September 2017, January 2018, October 2018, November 2018, May 2019, March 2021, January 2023, April 2023, April 2024), Accuracy disputes or self-published (June 2013, October 2016, June 2017, July 2017, October 2016, April 2018, April 2018, October 2018, November 2018, January 2019, August 2020, March 2025, July 2025, August 2025), Vague or ambiguous time (September 2015, August 2016), Clarification needed (September 2015), Failed verification (August 2016), Too technical (October 2016), Cites unreliable sources (October 2016), Factual verification needed (October 2016), Dead external links {{dead link}} (July 2017, May 2026), Incomplete citations (November 2016), CS1 errors: missing title, CS1 errors: bare URL, CS1 errors: periodical ignored | ||
| List of Tor onion services | Low | List | 1 | November 2025 | Factual verification needed (November 2025) |
| List of Unix daemons | 2 | March 2010 | Unsourced passages need footnotes {{More citations needed}} (March 2010), Update needed (June 2013) | ||
| List of bitcoin forks | 3 | February 2021 | Unsourced passages need footnotes {{citation needed}} (February 2021, December 2025), Unsourced passages need footnotes {{More citations needed}} (September 2021) | ||
| List of compact discs sold with MediaMax | Low | List | 1 | January 2017 | Unsourced passages need footnotes {{More citations needed}} (January 2017) |
| List of computer worms | High | List | 3 | August 2008 | Unsourced passages need footnotes {{More citations needed}} (March 2009), Incomplete lists (August 2008), Update needed (July 2015) |
| List of cyber warfare forces | Low | Start | 2 | March 2025 | Dead external links {{dead link}} (March 2025, July 2025) |
| List of cyberattacks | High | List | 2 | CS1 errors: missing title, CS1 errors: bare URL | |
| List of data breaches | High | List | 8 | September 2019 | Dead external links {{dead link}} (September 2019, June 2021, July 2021, July 2024, August 2024), Unsourced passages need footnotes {{citation needed}} (March 2024, May 2024, November 2024) |
| List of digital forensics tools | 1 | October 2016 | Unsourced passages need footnotes {{citation needed}} (October 2016) | ||
| List of hacker groups | Mid | List | 2 | September 2021 | Unsourced passages need footnotes {{More citations needed}} (September 2021), Pages with broken anchors (see article talk page, remove when fixed) |
| List of hackers | 1 | April 2025 | Unsourced passages need footnotes {{More citations needed}} (April 2025) | ||
| List of password managers | High | List | 1 | October 2022 | Unsourced passages need footnotes {{More citations needed}} (October 2022) |
| List of people arrested in the News International phone-hacking scandal | Low | List | 3 | November 2012 | Reorganization needed (November 2012), Cites unreliable sources (March 2018), Dead external links {{dead link}} (June 2021) |
| List of phishing incidents | Low | List | 2 | October 2018 | Unsourced passages need footnotes {{citation needed}} (October 2018, August 2021) |
| List of public domain resources behind a paywall | Low | List | 2 | March 2013 | Incomplete lists (March 2013), Unsourced passages need footnotes {{More citations needed}} (October 2021) |
| List of router and firewall distributions | 1 | August 2021 | Obsolete information (August 2021) | ||
| List of security hacking incidents | High | List | 10 | August 2008 | Unsourced passages need footnotes {{citation needed}} (August 2008, August 2017, May 2025, March 2026), Clarification needed (January 2017), Cites unreliable sources (April 2021), Unsourced passages need footnotes {{More citations needed}} (May 2021), Update needed (March 2025), Copy edit needed (March 2026), Weasel-worded phrases (March 2026) |
| List of spyware programs | Low | Start | 4 | March 2015 | Unsourced passages need footnotes {{citation needed}} (March 2015), Dead external links {{dead link}} (July 2017, July 2022), Incomplete lists (November 2020) |
| List of the most common passwords | Low | List | 1 | August 2025 | Update needed (August 2025) |
| List of warez groups | Mid | Start | 12 | September 2012 | Accuracy disputes or self-published (September 2012, April 2015, July 2015, September 2015, June 2021, June 2022), Cites unreliable sources (March 2013), Factual verification needed (April 2015), Dead external links {{dead link}} (April 2019, April 2026), Unsourced passages need footnotes {{citation needed}} (March 2022, December 2023) |
| List of wireless network protocols | 5 | May 2011 | Unsourced passages need footnotes {{citation needed}} (May 2011, September 2012, April 2025), Update needed (November 2018), Introduction cleanup (July 2024) | ||
| Live Online Portal | 2 | April 2024 | Unsourced passages need footnotes {{citation needed}} (April 2024), Minor POV problems (April 2024) | ||
| Load value injection | 1 | March 2020 | Potentially dated statements (March 2020) | ||
| Local differential privacy | Low | C | 2 | July 2023 | CS1 errors: missing periodical, Style editing needed (July 2023) |
| Local shared object | High | C | 1 | March 2012 | Cites unreliable sources (March 2012) |
| Location awareness | 4 | March 2011 | Unsourced passages need footnotes {{More citations needed}} (March 2011), Original research (March 2011), Style editing needed (November 2019), Cites unreliable sources (November 2019) | ||
| Locky | 2 | September 2016 | Unsourced passages need footnotes {{citation needed}} (September 2016), Original research (September 2016) | ||
| Log management | 4 | October 2007 | Unsourced passages need footnotes {{citation needed}} (October 2007), Original research (October 2007), Weasel-worded phrases (October 2014), Unsourced passages need footnotes {{More citations needed}} (May 2018) | ||
| Log4Shell | Mid | C | 1 | December 2021 | Potentially dated statements (December 2021) |
| LogRhythm | Low | Start | 1 | September 2021 | Promotional tone (September 2021) |
| Logical security | Low | Start | 3 | May 2022 | CS1 errors: missing periodical, Unsourced passages need footnotes {{More citations needed}} (May 2022, July 2024) |
| Lolita City | Low | Start | 1 | CS1 errors: missing periodical | |
| London Action Plan | High | Stub | 1 | July 2012 | Unsourced passages need footnotes {{More citations needed}} (July 2012) |
| Low Orbit Ion Cannon | Low | Start | 1 | March 2023 | Dead external links {{dead link}} (March 2023) |
| LulzSec | High | B | 5 | January 2013 | Unsourced passages need footnotes {{citation needed}} (January 2013, December 2020), Failed verification (September 2018), Pages with broken anchors (see article talk page, remove when fixed), Dead external links {{dead link}} (May 2026) |
| MAC filtering | 1 | November 2015 | Unsourced passages need footnotes {{More citations needed}} (November 2015) | ||
| MAC spoofing | Unknown | Start | 3 | December 2019 | Unsourced passages need footnotes {{citation needed}} (December 2019, April 2025), Unsourced passages need footnotes {{More citations needed}} (June 2022) |
| MD5 | 1 | 2019 | Potentially dated statements (2019) | ||
| MEMZ | 1 | June 2025 | Cites unreliable sources (June 2025) | ||
| MISP Threat Sharing | Low | C | 2 | CS1 errors: missing title, CS1 errors: bare URL | |
| MP3Concept | Unknown | Start | 1 | March 2010 | Has general references but lacks inline footnotes (March 2010) |
| MS Antivirus (malware) | Mid | Start | 2 | January 2012 | Unsourced passages need footnotes {{citation needed}} (January 2012), Notability unclear (March 2020) |
| MSAV | Unknown | Start | 1 | September 2012 | Unsourced passages need footnotes {{More citations needed}} (September 2012) |
| MUSCULAR | 3 | 2007 | Potentially dated statements (2007), Expansion needed (January 2014), Disputed statements (February 2014) | ||
| MacKeeper | 1 | April 2025 | Style editing needed (April 2025) | ||
| MacScan | 3 | May 2010 | Has general references but lacks inline footnotes (May 2010), CS1 errors: generic name, Notability unclear (July 2024) | ||
| MacSweeper | 1 | 2009 | Potentially dated statements (2009) | ||
| Macaroons (computer science) | Unknown | C | 3 | July 2020 | Prose needed (July 2020), Cleanup needed (July 2020), Orphaned (February 2021) |
| Machine-readable passport | 3 | September 2021 | Clarification needed (September 2021), Unsourced passages need footnotes {{citation needed}} (May 2023, March 2025) | ||
| Macro virus | Unknown | Start | 2 | November 2011 | Unsourced passages need footnotes {{More citations needed}} (November 2011), Original research (November 2011) |
| Magnetic secure transmission | 1 | August 2020 | Unsourced passages need footnotes {{citation needed}} (August 2020) | ||
| Mahdi (malware) | Low | Stub | 1 | September 2012 | Unsourced passages need footnotes {{More citations needed}} (September 2012) |
| Mail and wire fraud | Mid | C | 4 | April 2019 | Expansion needed (April 2019), Context needed (April 2019), Introduction cleanup (August 2024), Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Malvertising | 2 | November 2022 | Update needed (November 2022), Style editing needed (October 2025) | ||
| Malware | Top | C | 3 | July 2024 | Unsourced passages need footnotes {{citation needed}} (July 2024, March 2026), Failed verification (July 2024) |
| Malwarebytes | 1 | 2011 | Potentially dated statements (2011) | ||
| Malwarebytes (software) | Mid | C | 1 | 2018 | Potentially dated statements (2018) |
| Man-in-the-browser | Mid | C | 1 | February 2023 | Update needed (February 2023) |
| Managed file transfer | 1 | December 2021 | Dead external links {{dead link}} (December 2021) | ||
| Managed security service | Mid | Stub | 2 | December 2010 | Unsourced passages need footnotes {{More citations needed}} (December 2010), Original research (December 2010) |
| Managed services | 2 | July 2024 | Update needed (July 2024), Unsourced passages need footnotes {{More citations needed}} (April 2026) | ||
| Mandatory access control | High | C | 4 | November 2009 | Unsourced passages need footnotes {{citation needed}} (November 2009, May 2024), Unsourced passages need footnotes {{More citations needed}} (January 2018), Vague or ambiguous time (May 2024) |
| Mandiant | 1 | September 2022 | Unsourced passages need footnotes {{More citations needed}} (September 2022) | ||
| Mantrap (access control) | Low | Stub | 4 | March 2014 | Unsourced passages need footnotes {{More citations needed}} (March 2014, August 2018), Vague or ambiguous geographic scope (July 2024), Clarification needed (May 2026) |
| Marc Maiffret (BLP) | Low | Stub | 2 | March 2015 | Style editing needed (March 2015), BLP articles lacking sources (March 2015) |
| Mariposa botnet | Low | Start | 2 | October 2010 | Dead external links {{dead link}} (October 2010, December 2013) |
| Mark Abene (BLP) | Mid | Start | 2 | September 2015 | Has general references but lacks inline footnotes (September 2015), Conflict of interest (February 2018) |
| Mark Ludwig | Low | Start | 1 | August 2022 | Cites unreliable sources (August 2022) |
| Market for zero-day exploits | High | C | 1 | July 2020 | Clarification needed (July 2020) |
| Martín Abadi (BLP) | Low | Start | 1 | 2024 | Potentially dated statements (2024) |
| Massachusetts Bay Transportation Authority v. Anderson | Mid | C | 2 | October 2010 | Dead external links {{dead link}} (October 2010), CS1 errors: missing periodical |
| Master service agreement | Low | Stub | 1 | March 2026 | Unsourced passages need footnotes {{More citations needed}} (March 2026) |
| Masters of Deception | Low | Start | 3 | March 2009 | Unsourced passages need footnotes {{More citations needed}} (March 2009), Original research (March 2009), Has general references but lacks inline footnotes (August 2009) |
| Mathew Bevan (BLP) | Low | Start | 1 | March 2011 | Unsourced passages need footnotes {{citation needed}} (March 2011) |
| Mayfield's paradox | Low | Stub | 2 | June 2016 | Vague or ambiguous time (June 2016), Clarification needed (June 2016) |
| McAfee | 5 | September 2017 | Unsourced passages need footnotes {{citation needed}} (September 2017), Dead external links {{dead link}} (December 2021, March 2023, May 2023), Update needed (January 2025) | ||
| McAfee Antivirus | 1 | March 2026 | Dead external links {{dead link}} (March 2026) | ||
| McAfee WebAdvisor | Low | Stub | 4 | October 2010 | Unsourced passages need footnotes {{citation needed}} (October 2010, July 2015, January 2022), CS1 errors: generic title |
| Md5deep | Unknown | Start | 4 | March 2013 | Unsourced passages need footnotes {{More citations needed}} (March 2013, July 2024), Unsourced passages need footnotes {{citation needed}} (August 2013), Potentially dated statements (2017) |
| Mebroot | Unknown | Stub | 1 | May 2021 | Vague or ambiguous time (May 2021) |
| Medical data breach | Low | C | 2 | June 2016 | Limited geographic scope (June 2016), Unsourced passages need footnotes {{citation needed}} (July 2023) |
| Medical device hijack | High | Start | 3 | September 2016 | Cleanup needed (September 2016, September 2016), Dead external links {{dead link}} (January 2018) |
| Meet-in-the-middle attack | 6 | March 2009 | Unsourced passages need footnotes {{More citations needed}} (March 2009, May 2015), Original research (May 2013), Factual verification needed (May 2015), CS1 errors: missing periodical, Clarification needed (March 2024) | ||
| Melissa (computer virus) | Unknown | Start | 2 | July 2018 | Context needed (July 2018), Unsourced passages need footnotes {{citation needed}} (December 2023) |
| Meltdown (security vulnerability) | 5 | January 2018 | Cleanup needed (January 2018), Cites unreliable sources (January 2018), Prose needed (January 2018), Unsourced passages need footnotes {{citation needed}} (November 2020), Update needed (March 2026) | ||
| Memory corruption | 2 | May 2016 | Unsourced passages need footnotes {{More citations needed}} (May 2016), Original research (June 2020) | ||
| Memory forensics | 3 | May 2023 | Unsourced passages need footnotes {{citation needed}} (May 2023, July 2024), Has general references but lacks inline footnotes (May 2023) | ||
| Memory protection | 3 | April 2007 | Unsourced passages need footnotes {{citation needed}} (April 2007, August 2012), Unsourced passages need footnotes {{More citations needed}} (September 2012) | ||
| Memory safety | Low | C | 1 | May 2023 | Unsourced passages need footnotes {{citation needed}} (May 2023) |
| Memory-scraping malware | Unknown | Start | 1 | June 2016 | Unsourced passages need footnotes {{More citations needed}} (June 2016) |
| Mermaids (charity) | Low | Start | 4 | October 2021 | Expansion needed (October 2021), Introduction cleanup (July 2022), Cites unreliable sources (January 2025), Dead external links {{dead link}} (March 2026) |
| Messaging Architects | 3 | February 2012 | Promotional tone (February 2012), Cites unreliable sources (May 2024), Unsourced passages need footnotes {{More citations needed}} (May 2024) | ||
| Metamorphic code | Low | Start | 1 | February 2015 | Unsourced passages need footnotes {{citation needed}} (February 2015) |
| Michael Calce (BLP) | Low | Start | 4 | March 2007 | Unsourced passages need footnotes {{citation needed}} (March 2007), Page number citations needed (May 2017), Dead external links {{dead link}} (May 2017, December 2017) |
| Michael Schroeder (BLP) | Low | Start | 1 | January 2010 | BLP articles lacking sources (January 2010) |
| Michał Zalewski (BLP) | Low | Stub | 2 | December 2017 | Dead external links {{dead link}} (December 2017), Notability unclear (April 2021) |
| Michelangelo (computer virus) | 5 | October 2011 | Unsourced passages need footnotes {{citation needed}} (October 2011, June 2014, August 2014, April 2016), Unsourced passages need footnotes {{More citations needed}} (January 2023) | ||
| Micro Focus Enterprise Security Products | Low | Start | 1 | September 2016 | Obsolete information (September 2016) |
| Microarchitectural Data Sampling | 1 | May 2019 | Potentially dated statements (May 2019) | ||
| Microcosm Ltd | 1 | August 2020 | Unsourced passages need footnotes {{More citations needed}} (August 2020) | ||
| Microsoft CryptoAPI | Unknown | Start | 1 | January 2009 | Clarification needed (January 2009) |
| Microsoft Defender Antivirus | Mid | C | 1 | November 2025 | Dead external links {{dead link}} (November 2025) |
| Microsoft Forefront | Mid | Start | 1 | September 2011 | Cites unreliable sources (September 2011) |
| Microsoft Forefront Threat Management Gateway | Low | Start | 3 | March 2010 | Clarification needed (March 2010), Cites unreliable sources (February 2011), Pages with broken anchors (see article talk page, remove when fixed) |
| Microsoft Safety Scanner | Low | Stub | 1 | July 2011 | Potentially dated statements (July 2011) |
| Microsoft Security Development Lifecycle | 1 | March 2025 | Has general references but lacks inline footnotes (March 2025) | ||
| Microsoft Security Essentials | Mid | C | 3 | March 2024 | Factual verification needed (March 2024), Update needed (March 2024), Dead external links {{dead link}} (November 2025) |
| Microwave Data Systems | 3 | May 2008 | Cites unreliable sources (May 2008), Vague or ambiguous time (August 2023), Unsourced passages need footnotes {{citation needed}} (December 2025) | ||
| Military Message Handling System | 1 | September 2018 | Cites unreliable sources (September 2018) | ||
| Milw0rm | Low | C | 1 | August 2012 | Unsourced passages need footnotes {{citation needed}} (August 2012) |
| MinID | Unknown | Start | 1 | October 2011 | Unsourced passages need footnotes {{More citations needed}} (October 2011) |
| Minix 3 | 3 | April 2015 | Unsourced passages need footnotes {{citation needed}} (April 2015), Clarification needed (June 2015), Potentially dated statements (2017) | ||
| MirOS BSD | Low | Start | 2 | November 2011 | Unsourced passages need footnotes {{More citations needed}} (November 2011), Notability unclear (June 2025) |
| Mirai (malware) | 5 | April 2018 | CS1 errors: dates, Unsourced passages need footnotes {{citation needed}} (April 2018), Cleanup needed (August 2024, August 2024), Weasel-worded phrases (August 2024) | ||
| Misuse detection | Mid | Stub | 1 | December 2011 | Unsourced passages need footnotes {{More citations needed}} (December 2011) |
| Mitel | 5 | December 2018 | CS1 errors: invisible characters, Unsourced passages need footnotes {{More citations needed}} (December 2018), Buzzword cleanup (May 2020), CS1 errors: URL, Unsourced passages need footnotes {{citation needed}} (September 2023) | ||
| Mix network | 3 | April 2022 | Unsourced passages need footnotes {{More citations needed}} (April 2022), Unsourced passages need footnotes {{citation needed}} (March 2025), Original research (March 2025) | ||
| Mixed threat attack | Low | Stub | 2 | December 2009 | Unsourced passages need footnotes {{More citations needed}} (December 2009, April 2026) |
| Mobile DevOps | 1 | January 2025 | Style editing needed (January 2025) | ||
| Mobile device forensics | Mid | C | 2 | July 2010 | Unsourced passages need footnotes {{More citations needed}} (July 2010), CS1 errors: requires URL |
| Mobile malware | High | C | 1 | April 2009 | Unsourced passages need footnotes {{More citations needed}} (April 2009) |
| Mobile security | Top | C | 11 | April 2012 | Unsourced passages need footnotes {{citation needed}} (April 2012, February 2017, March 2023, October 2023), Unsourced passages need footnotes {{More citations needed}} (November 2022, October 2023), Vague or ambiguous time (March 2023), Weasel-worded phrases (March 2023), Incomplete citations (March 2023), Failed verification (October 2023), Clarification needed (October 2023) |
| ModSecurity | Low | C | 2 | January 2018 | Unsourced passages need footnotes {{More citations needed}} (January 2018), CS1 errors: periodical ignored |
| Model inversion attack | Low | Stub | 1 | April 2026 | Orphaned (April 2026) |
| Modula | Low | Stub | 2 | August 2013 | Unsourced passages need footnotes {{More citations needed}} (August 2013), Cites unreliable sources (July 2016) |
| Moltbook | 1 | April 2026 | Cites unreliable sources (April 2026) | ||
| Monoculture (computer science) | 1 | July 2024 | Unsourced passages need footnotes {{More citations needed}} (July 2024) | ||
| Moonlight Maze | 1 | June 2025 | Unsourced passages need footnotes {{citation needed}} (June 2025) | ||
| Morris worm | High | C | 1 | June 2026 | Unsourced passages need footnotes {{citation needed}} (June 2026) |
| Mousetrapping | Low | Stub | 1 | March 2021 | Unsourced passages need footnotes {{More citations needed}} (March 2021) |
| Mullvad | 1 | April 2020 | Potentially dated statements (April 2020) | ||
| Multi categories security | Unknown | Stub | 2 | October 2007 | Unsourced passages need footnotes {{More citations needed}} (October 2007), Unsourced passages need footnotes {{citation needed}} (October 2007) |
| Multi-factor authentication | High | C | 8 | May 2023 | Unsourced passages need footnotes {{citation needed}} (May 2023, September 2023, October 2023, June 2026), Failed verification (October 2023, June 2026), Clarification needed (October 2023, May 2026) |
| MultiOTP | Low | C | 4 | August 2020 | Expert attention needed (November 2021), Unsourced passages need footnotes {{More citations needed}} (August 2020), Too technical (November 2021) |
| Multibook | Low | Stub | 1 | January 2017 | Unsourced passages need footnotes {{More citations needed}} (January 2017) |
| Multics | 7 | October 2007 | Unsourced passages need footnotes {{citation needed}} (October 2007, March 2021, March 2022), Potentially dated statements (2017), Disputed statements (November 2021), Cites unreliable sources (June 2022), Clarification needed (December 2025) | ||
| Multilevel security | Mid | C | 5 | September 2011 | Style editing needed (September 2011, March 2019), Dead external links {{dead link}} (February 2018), CS1 errors: missing periodical, Unsourced passages need footnotes {{More citations needed}} (March 2025) |
| Multiscanning | 1 | February 2018 | Cites unreliable sources (February 2018) | ||
| Mushroom Networks | Low | Start | 4 | April 2011 | Promotional tone (April 2011), Cleanup needed (August 2022), List cleanup (August 2022), Cites unreliable sources (August 2022) |
| Mutual authentication | Low | Stub | 1 | February 2021 | Unsourced passages need footnotes {{citation needed}} (February 2021) |
| MyDLP | Low | Stub | 1 | April 2020 | Dead external links {{dead link}} (April 2020) |
| Mydoom | Mid | Start | 1 | June 2022 | Unsourced passages need footnotes {{More citations needed}} (June 2022) |
| NANO Antivirus | Low | Start | 1 | July 2024 | Update needed (July 2024) |
| NCP Engineering | Low | Start | 1 | August 2024 | Promotional tone (August 2024) |
| NEO (blockchain) | 3 | November 2018 | Unsourced passages need footnotes {{More citations needed}} (November 2018), Unsourced passages need footnotes {{citation needed}} (February 2021, October 2023) | ||
| NESSIE | Mid | Start | 1 | April 2015 | Cites unreliable sources (April 2015) |
| NHS COVID-19 | 1 | October 2020 | Unsourced passages need footnotes {{citation needed}} (October 2020) | ||
| NIST Cybersecurity Framework | Top | Start | 1 | March 2026 | Unsourced passages need footnotes {{citation needed}} (March 2026) |
| NIST SP 800-90B | 3 | October 2019 | CS1 errors: missing periodical, Cites unreliable sources (October 2019), Expansion needed (February 2026) | ||
| NIST hash function competition | 2 | February 2018 | Dead external links {{dead link}} (February 2018), Unsourced passages need footnotes {{citation needed}} (May 2018) | ||
| NOP slide | Low | Stub | 2 | January 2018 | Unsourced passages need footnotes {{More citations needed}} (January 2018), CS1 errors: missing periodical |
| NRD Cyber Security | Low | Stub | 3 | April 2025 | Orphaned (April 2025), Unsourced passages need footnotes {{More citations needed}} (May 2025), Promotional tone (May 2025) |
| NSAKEY | High | C | 2 | September 2011 | Unsourced passages need footnotes {{citation needed}} (September 2011, March 2024) |
| NTLM | Mid | C | 2 | April 2021 | Clarification needed (April 2021), Unsourced passages need footnotes {{citation needed}} (April 2022) |
| NTP server misuse and abuse | 2 | May 2014 | Unsourced passages need footnotes {{citation needed}} (May 2014), Incomplete citations (December 2018) | ||
| NTRUSign | 1 | May 2019 | Unsourced passages need footnotes {{citation needed}} (May 2019) | ||
| NaSHA | Low | Stub | 1 | July 2009 | Unsourced passages need footnotes {{More citations needed}} (July 2009) |
| Namecoin | 6 | June 2014 | Cites unreliable sources (June 2014), Potentially dated statements (2015), Unsourced passages need footnotes {{citation needed}} (May 2019, December 2022, April 2024), Dead external links {{dead link}} (July 2025) | ||
| Namogoo | 2 | July 2024 | Promotional tone (July 2024), Conflict of interest (July 2024) | ||
| Narus Inc. | 1 | May 2015 | Promotional tone (May 2015) | ||
| Natas (computer virus) | 1 | July 2016 | Unsourced passages need footnotes {{citation needed}} (July 2016) | ||
| National College of Cyber Security | 1 | May 2017 | Reference cleanup (May 2017) | ||
| National Collegiate Cyber Defense Competition | Low | Start | 1 | February 2020 | Cites unreliable sources (February 2020) |
| National Cyber Coordination Centre | Low | C | 2 | May 2019 | Clarification needed (May 2019), Dead external links {{dead link}} (August 2025) |
| National Cyber Security Agency (Bangladesh) | 1 | April 2026 | Unsourced passages need footnotes {{citation needed}} (April 2026) | ||
| National Cyber Security Centre of Lithuania | Unknown | Stub | 1 | July 2022 | Unsourced passages need footnotes {{citation needed}} (July 2022) |
| National Cyber Security Division | Mid | Start | 7 | February 2026 | Pages with broken anchors (see article talk page, remove when fixed), Obsolete information (February 2026), Unsourced passages need footnotes {{citation needed}} (February 2026), Style editing needed (February 2026), Weasel-worded phrases (February 2026), Failed verification (February 2026), Expansion needed (February 2026) |
| National Cybersecurity Alliance | Unknown | Stub | 2 | August 2020 | Promotional tone (August 2020), Unsourced passages need footnotes {{More citations needed}} (June 2024) |
| National Cybersecurity Authority (Saudi Arabia) | Low | Start | 1 | CS1 errors: generic name | |
| National Cybersecurity Center | Low | Start | 2 | April 2020 | Peacock terms (April 2020), Dead external links {{dead link}} (December 2025) |
| National Information Assurance Certification and Accreditation Process | Mid | Stub | 1 | December 2018 | Orphaned (December 2018) |
| National Information Assurance Training and Education Center | High | Stub | 2 | January 2011 | Cites unreliable sources (January 2011), Unsourced passages need footnotes {{More citations needed}} (June 2024) |
| National Infrastructure Protection Center | Low | Stub | 1 | November 2018 | Clarification needed (November 2018) |
| Ne0h (BLP) | Low | Stub | 1 | April 2008 | BLP articles lacking sources (April 2008) |
| Need to know | 1 | October 2015 | Unsourced passages need footnotes {{More citations needed}} (October 2015) | ||
| NeoAccel | 3 | August 2022 | Unsourced passages need footnotes {{citation needed}} (August 2022, March 2024), Incomplete citations (August 2022) | ||
| Net-Centric Enterprise Services | 2 | September 2018 | Cites unreliable sources (September 2018), Has general references but lacks inline footnotes (September 2018) | ||
| NetBus | 1 | August 2013 | Has general references but lacks inline footnotes (August 2013) | ||
| NetScreen Technologies | Low | Start | 1 | February 2019 | Dead external links {{dead link}} (February 2019) |
| Netcraft | Low | Start | 1 | April 2025 | Promotional tone (April 2025) |
| Netskope | Unknown | 1 | June 2026 | Uncategorized (June 2026) | |
| Netwitness | Low | C | 2 | November 2012 | Conflict of interest (November 2012), Buzzword cleanup (November 2022) |
| Network Crack Program Hacker Group | 1 | January 2011 | Dead external links {{dead link}} (January 2011) | ||
| Network Security Platform | 3 | May 2007 | Cites unreliable sources (May 2007), Has general references but lacks inline footnotes (October 2020), Unsourced passages need footnotes {{More citations needed}} (October 2020) | ||
| Network Security Toolkit | Mid | Start | 1 | May 2024 | Has general references but lacks inline footnotes (May 2024) |
| Network access control | 1 | September 2016 | Unsourced passages need footnotes {{More citations needed}} (September 2016) | ||
| Network detection and response | Low | Start | 1 | May 2024 | Notability unclear (May 2024) |
| Network detector | Low | Stub | 1 | October 2019 | Unsourced passages need footnotes {{More citations needed}} (October 2019) |
| Network encryption cracking | 2 | October 2008 | Unsourced passages need footnotes {{More citations needed}} (October 2008), Style editing needed (August 2018) | ||
| Network enumeration | Low | Stub | 1 | August 2022 | Unsourced passages need footnotes {{More citations needed}} (August 2022) |
| Network forensics | Mid | Start | 2 | April 2011 | Unsourced passages need footnotes {{More citations needed}} (April 2011), Potentially dated statements (April 2021) |
| Network security policy | Low | Stub | 1 | April 2010 | Unsourced passages need footnotes {{citation needed}} (April 2010) |
| Network tap | 1 | May 2018 | Unsourced passages need footnotes {{More citations needed}} (May 2018) | ||
| Network telescope | 1 | September 2025 | Dead external links {{dead link}} (September 2025) | ||
| Netwrix | 2 | April 2025 | Unsourced passages need footnotes {{citation needed}} (April 2025), Conflict of interest (August 2025) | ||
| New generation warfare | Low | C | 8 | March 2022 | Unsourced passages need footnotes {{citation needed}} (March 2022, November 2022, August 2025, June 2026), Page number citations needed (October 2023), Clarification needed (December 2024, August 2025), Disputed statements (August 2025) |
| New.net | 1 | March 2023 | Dead external links {{dead link}} (March 2023) | ||
| News International phone hacking scandal | Mid | C | 5 | July 2011 | Unsourced passages need footnotes {{citation needed}} (July 2011, April 2020), Vague or ambiguous time (July 2011, April 2012), Dead external links {{dead link}} (January 2022) |
| News media phone hacking scandal reference lists | Low | Start | 2 | June 2020 | Unsourced passages need footnotes {{citation needed}} (June 2020), Pages with broken anchors (see article talk page, remove when fixed) |
| Nexor | 4 | January 2013 | Coordinates needed, Incomplete lists (January 2013), Dead external links {{dead link}} (March 2025, November 2025) | ||
| Next-Generation Secure Computing Base | 1 | March 2023 | Dead external links {{dead link}} (March 2023) | ||
| Next-generation firewall | Low | Start | 1 | August 2019 | Unsourced passages need footnotes {{More citations needed}} (August 2019) |
| Nginx | 2 | March 2020 | Potentially dated statements (March 2020, April 2025) | ||
| Niels Provos (BLP) | Low | Start | 1 | November 2025 | Promotional tone (November 2025) |
| NightMare | Unknown | Stub | 1 | May 2013 | Notability unclear (May 2013) |
| Nik Cubrilovic (BLP) | Low | Stub | 1 | January 2018 | Unsourced passages need footnotes {{citation needed}} (January 2018) |
| Nintendo data leak | Low | C | 3 | October 2024 | Failed verification (October 2024), Unsourced passages need footnotes {{citation needed}} (October 2024), Update needed (October 2025) |
| Nitrokey | Low | C | 1 | December 2022 | Cites unreliable sources (December 2022) |
| Nizar Ben Néji (BLP) | Low | Start | 1 | March 2025 | Promotional tone (March 2025) |
| Nmap | Mid | C | 1 | January 2014 | Unsourced passages need footnotes {{citation needed}} (January 2014) |
| NoScript | Mid | C | 2 | CS1 errors: missing title, CS1 errors: bare URL | |
| Nobody (username) | Low | Stub | 1 | May 2016 | Cites unreliable sources (May 2016) |
| Non-interactive zero-knowledge proof | 3 | October 2020 | Clarification needed (October 2020), Expansion needed (October 2020), Unsourced passages need footnotes {{citation needed}} (March 2024) | ||
| Non-repudiation | Mid | Start | 1 | July 2018 | Unsourced passages need footnotes {{citation needed}} (July 2018) |
| Noname057(16) | Low | C | 3 | February 2025 | Unsourced passages need footnotes {{citation needed}} (February 2025), Dead external links {{dead link}} (May 2025, February 2026) |
| NordVPN | 1 | Reference errors | |||
| Norman Safeground | 2 | June 2022 | Unsourced passages need footnotes {{citation needed}} (June 2022), Dead external links {{dead link}} (February 2026) | ||
| Norton 360 | Mid | C | 2 | October 2010 | Dead external links {{dead link}} (October 2010, April 2020) |
| Norton AntiVirus | Mid | C | 3 | October 2012 | Unsourced passages need footnotes {{citation needed}} (October 2012, December 2025), Pages with broken anchors (see article talk page, remove when fixed) |
| Norton Internet Security | Mid | B | 6 | September 2010 | Dead external links {{dead link}} (September 2010, July 2024, November 2025), Clarification needed (August 2014), Cites unreliable sources (March 2021), Unsourced passages need footnotes {{citation needed}} (March 2021) |
| Norton Safe Web | Mid | Start | 2 | January 2011 | Unsourced passages need footnotes {{citation needed}} (January 2011), Factual verification needed (December 2025) |
| NotCompatible | Low | Stub | 1 | January 2019 | Orphaned (January 2019) |
| NotScripts | Low | Stub | 1 | April 2022 | Orphaned (April 2022) |
| NowSecure | 2 | October 2016 | Unsourced passages need footnotes {{citation needed}} (October 2016), Dead external links {{dead link}} (November 2025) | ||
| Null character | Mid | Start | 1 | April 2010 | Unsourced passages need footnotes {{citation needed}} (April 2010) |
| Null session | 1 | July 2020 | Orphaned (July 2020) | ||
| Nyotron | Low | Start | 2 | July 2019 | Notability unclear (July 2019), Unsourced passages need footnotes {{citation needed}} (August 2025) |
| OASIS Open | 1 | July 2024 | Unsourced passages need footnotes {{citation needed}} (July 2024) | ||
| OAuth | Mid | C | 2 | April 2022 | Unsourced passages need footnotes {{citation needed}} (April 2022), Cites unreliable sources (November 2023) |
| OWASP | Low | C | 2 | 2015 | Potentially dated statements (2015), Cites unreliable sources (January 2026) |
| Obfuscation (software) | Mid | C | 4 | March 2023 | CS1 errors: missing periodical, Expansion needed (March 2023), CS1 errors: periodical ignored, Clarification needed (March 2026) |
| Object-capability model | Mid | Start | 4 | December 2013 | Unsourced passages need footnotes {{More citations needed}} (December 2013), Cites unreliable sources (December 2013), Original research (October 2016), Disputed statements (October 2016) |
| Off-by-one error | Unknown | Start | 2 | July 2020 | Unsourced passages need footnotes {{More citations needed}} (July 2020), Clarification needed (May 2022) |
| Offensive Security | Low | C | 1 | March 2020 | Unsourced passages need footnotes {{citation needed}} (March 2020) |
| Offline private key protocol | Low | Start | 1 | March 2018 | Cites no sources (March 2018) |
| Okta, Inc. | Mid | Start | 1 | January 2026 | Potentially dated statements (January 2026) |
| Oligomorphic code | 1 | March 2023 | Unsourced passages need footnotes {{citation needed}} (March 2023) | ||
| OneCoin | 4 | December 2020 | Unsourced passages need footnotes {{citation needed}} (December 2020, November 2022, October 2023), Cites unreliable sources (November 2022) | ||
| OneHalf | 1 | July 2025 | Unsourced passages need footnotes {{citation needed}} (July 2025) | ||
| OneID | 1 | September 2014 | Unsourced passages need footnotes {{citation needed}} (September 2014) | ||
| OneTrust | Low | C | 3 | July 2025 | Unsourced passages need footnotes {{citation needed}} (July 2025), Cites unreliable sources (July 2025), Dead external links {{dead link}} (January 2026) |
| Online child abuse | Mid | C | 3 | September 2018 | Expansion needed (September 2018), Limited geographic scope (September 2018), Potentially dated statements (April 2026) |
| Online wallet | Unknown | Start | 2 | March 2014 | Unsourced passages need footnotes {{More citations needed}} (March 2014), Dead external links {{dead link}} (August 2025) |
| Ontario (computer virus) | 1 | March 2026 | Unsourced passages need footnotes {{More citations needed}} (March 2026) | ||
| Open Information Security Management Maturity Model | Low | Stub | 1 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Open Source Security Foundation | Low | Start | 1 | February 2026 | Dead external links {{dead link}} (February 2026) |
| Open Source Vulnerability Database | Low | Start | 3 | May 2009 | Has general references but lacks inline footnotes (May 2009), Unsourced passages need footnotes {{More citations needed}} (May 2009), Dead external links {{dead link}} (August 2025) |
| Open banking | Low | C | 8 | February 2022 | CS1 errors: generic name, Dead external links {{dead link}} (February 2022), Update needed (May 2023, May 2026), Unsourced passages need footnotes {{citation needed}} (May 2023, May 2026), Factual verification needed (May 2023), Style editing needed (May 2026) |
| Open mail relay | Unknown | Start | 1 | October 2013 | Cites unreliable sources (October 2013) |
| OpenAthens | Low | Stub | 1 | October 2021 | Cites unreliable sources (October 2021) |
| OpenBSD | High | B | 3 | April 2018 | Potentially dated statements (April 2018, September 2018), Dead external links {{dead link}} (March 2023) |
| OpenBSD Cryptographic Framework | 2 | January 2015 | Unsourced passages need footnotes {{citation needed}} (January 2015), Too technical (July 2022) | ||
| OpenBSD security features | Mid | C | 6 | May 2016 | Unsourced passages need footnotes {{citation needed}} (May 2016, October 2017, September 2023), Clarification needed (May 2016), Update needed (April 2025), Expansion needed (May 2025) |
| OpenCandy | Low | Start | 1 | February 2022 | Cites unreliable sources (February 2022) |
| OpenClaw | 1 | June 2026 | Clarification needed (June 2026) | ||
| OpenID | Low | B | 2 | March 2016 | Potentially dated statements (March 2016), Unsourced passages need footnotes {{citation needed}} (September 2016) |
| OpenVAS | 1 | January 2019 | Potentially dated statements (January 2019) | ||
| OpenVPN | 3 | July 2009 | Unsourced passages need footnotes {{More citations needed}} (July 2009), Unsourced passages need footnotes {{citation needed}} (April 2018, June 2018) | ||
| OpenWrt | 3 | April 2022 | CS1 errors: missing title, CS1 errors: bare URL, Unsourced passages need footnotes {{citation needed}} (April 2022) | ||
| Operation Aurora | Mid | C | 2 | August 2013 | Disputed statements (August 2013), Clarification needed (March 2019) |
| Operation Payback | Low | B | 2 | January 2024 | CS1 errors: generic name, Dead external links {{dead link}} (January 2024) |
| Operation Shady RAT | Mid | Stub | 2 | January 2024 | Cleanup needed (January 2024, January 2024) |
| Operation Sundevil | Mid | C | 1 | November 2021 | Unsourced passages need footnotes {{citation needed}} (November 2021) |
| Operation Torpedo | Low | Start | 1 | February 2024 | Cites unreliable sources (February 2024) |
| Operation Tovar | Low | Start | 1 | January 2017 | Reorganization needed (January 2017) |
| Operation Trojan Shield | Low | C | 4 | April 2023 | Potentially dated statements (April 2023), Update needed (February 2024), Unsourced passages need footnotes {{citation needed}} (November 2025), Unsourced passages need footnotes {{More citations needed}} (February 2026) |
| Operation Weeting | Mid | Start | 2 | February 2026 | Pages with broken anchors (see article talk page, remove when fixed), Dead external links {{dead link}} (February 2026) |
| Opportunistic TLS | Mid | Start | 5 | May 2016 | Expansion needed (May 2016), Clarification needed (February 2017, November 2020), Unsourced passages need footnotes {{citation needed}} (March 2018), Dead external links {{dead link}} (August 2025) |
| Opportunistic encryption | 2 | October 2024 | Unsourced passages need footnotes {{citation needed}} (October 2024), Dead external links {{dead link}} (September 2025) | ||
| OurMine | Unknown | Start | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Out-of-bounds read | High | Stub | 1 | June 2026 | Expansion needed (June 2026) |
| Outpost Firewall Pro | Low | C | 1 | June 2017 | Weasel-worded phrases (June 2017) |
| Overview of news media phone hacking scandals | Low | B | 1 | May 2026 | Dead external links {{dead link}} (May 2026) |
| OxygenOS | 1 | March 2021 | Expansion needed (March 2021) | ||
| PCKeeper | 3 | December 2014 | Cites unreliable sources (December 2014), Factual verification needed (November 2015), Unsourced passages need footnotes {{citation needed}} (September 2024) | ||
| PERMIS | Unknown | Stub | 1 | July 2024 | Has general references but lacks inline footnotes (July 2024) |
| PGPCoder | 1 | November 2025 | Dead external links {{dead link}} (November 2025) | ||
| PKCS | 2 | 2010 | Potentially dated statements (2010), Update needed (March 2024) | ||
| PKCS 1 | 1 | March 2019 | Unsourced passages need footnotes {{More citations needed}} (March 2019) | ||
| PKCS 12 | 1 | October 2023 | Unsourced passages need footnotes {{citation needed}} (October 2023) | ||
| PLA Unit 61486 | Mid | C | 1 | December 2023 | Unsourced passages need footnotes {{citation needed}} (December 2023) |
| POODLE | 2 | June 2017 | Unsourced passages need footnotes {{citation needed}} (June 2017), Update needed (October 2018) | ||
| PRODIGAL | Low | Stub | 1 | October 2021 | Update needed (October 2021) |
| PUM.bad.proxy | Low | Start | 2 | January 2014 | Unsourced passages need footnotes {{More citations needed}} (January 2014), Cites unreliable sources (January 2014) |
| Package redirection scam | Low | Start | 1 | April 2024 | Unsourced passages need footnotes {{citation needed}} (April 2024) |
| Packet Clearing House | 2 | May 2022 | Conflict of interest (May 2022), Cites unreliable sources (May 2022) | ||
| Packet analyzer | 3 | January 2012 | Unsourced passages need footnotes {{citation needed}} (January 2012, June 2025), Unsourced passages need footnotes {{More citations needed}} (June 2025) | ||
| Packet capture appliance | 1 | July 2012 | Unsourced passages need footnotes {{More citations needed}} (July 2012) | ||
| Packet crafting | 2 | August 2024 | Unsourced passages need footnotes {{More citations needed}} (August 2024), Promotional tone (August 2024) | ||
| Padding oracle attack | 1 | 2015 | Potentially dated statements (2015) | ||
| Palm OS viruses | Low | Stub | 1 | March 2014 | Unsourced passages need footnotes {{citation needed}} (March 2014) |
| Palo Alto Networks | High | C | 1 | July 2025 | Potentially dated statements (July 2025) |
| Panda Cloud Antivirus | Low | Start | 1 | January 2015 | Update needed (January 2015) |
| Panda Security | 3 | April 2016 | Promotional tone (April 2016), Unsourced passages need footnotes {{More citations needed}} (April 2016), Conflict of interest (September 2018) | ||
| Pangu Team | 2 | February 2017 | Unsourced passages need footnotes {{citation needed}} (February 2017), Pages with broken anchors (see article talk page, remove when fixed) | ||
| Panorays | 1 | December 2024 | Orphaned (December 2024) | ||
| Paradox (warez) | Low | Start | 1 | November 2010 | Weasel-worded phrases (November 2010) |
| Parasoft C/C++test | Low | C | 2 | April 2013 | Conflict of interest (April 2013), Unsourced passages need footnotes {{citation needed}} (June 2024) |
| Parisa Tabriz (BLP) | Mid | Start | 2 | CS1 errors: missing periodical, CS1 errors: periodical ignored | |
| Parkerian Hexad | Low | Start | 1 | April 2025 | Unsourced passages need footnotes {{citation needed}} (April 2025) |
| Parry Aftab (BLP) | Low | Start | 3 | January 2018 | Dead external links {{dead link}} (January 2018), Unsourced passages need footnotes {{citation needed}} (May 2025), BLP articles lacking sources (May 2025) |
| Parted Magic | 1 | August 2025 | Dead external links {{dead link}} (August 2025) | ||
| Pass the hash | Mid | C | 1 | CS1 errors: missing periodical | |
| Passenger name record | 2 | June 2009 | Unsourced passages need footnotes {{More citations needed}} (June 2009), Vague or ambiguous time (March 2023) | ||
| Passwd | 1 | July 2020 | Unsourced passages need footnotes {{citation needed}} (July 2020) | ||
| Password | 5 | 2008 | Potentially dated statements (2008), Unsourced passages need footnotes {{citation needed}} (September 2009), Weasel-worded phrases (September 2010), Update needed (July 2021), Unsourced passages need footnotes {{More citations needed}} (May 2026) | ||
| Password Safe | Low | Stub | 2 | September 2017 | Update needed (September 2017), Potentially dated statements (2025) |
| Password cracking | 3 | June 2024 | CS1 errors: missing periodical, Clarification needed (June 2024), Unsourced passages need footnotes {{citation needed}} (February 2026) | ||
| Password manager | Mid | C | 2 | June 2013 | Unsourced passages need footnotes {{More citations needed}} (June 2013), Potentially dated statements (October 2024) |
| Password strength | 5 | January 2012 | Unsourced passages need footnotes {{citation needed}} (January 2012, June 2024, May 2026), Reference errors, Potentially dated statements (2026) | ||
| Passwordless authentication | High | C | 2 | April 2020 | CS1 errors: missing periodical, Unsourced passages need footnotes {{More citations needed}} (April 2020) |
| Patch (computing) | 2 | November 2020 | Unsourced passages need footnotes {{More citations needed}} (November 2020), Has general references but lacks inline footnotes (July 2025) | ||
| Patch Tuesday | Mid | C | 1 | April 2025 | Unsourced passages need footnotes {{citation needed}} (April 2025) |
| Patrick K. Kroupa (BLP) | Low | B | 4 | March 2012 | Reference cleanup (March 2012), Style editing needed (September 2014), Weasel-worded phrases (September 2014), Dead external links {{dead link}} (March 2018) |
| Patriotic hacking | Low | Stub | 4 | April 2010 | Unsourced passages need footnotes {{citation needed}} (April 2010, January 2011), Unsourced passages need footnotes {{More citations needed}} (January 2012), Limited geographic scope (March 2012) |
| Pavel Durov (BLP) | 2 | March 2026 | Reference errors, Potentially dated statements (March 2026) | ||
| PayPal 14 (BLP) | Unknown | Stub | 1 | February 2017 | Update needed (February 2017) |
| PayPal Honey | 2 | January 2026 | Factual verification needed (January 2026), Cites unreliable sources (February 2026) | ||
| Payment Card Industry Data Security Standard | Low | Start | 1 | September 2025 | Dead external links {{dead link}} (September 2025) |
| Payment Card Industry Security Standards Council | 1 | December 2018 | Cites unreliable sources (December 2018) | ||
| Paywall | Mid | C | 1 | CS1 errors: missing periodical | |
| Pegasus (spyware) | Low | B | 1 | March 2023 | Context needed (March 2023) |
| Pegasus Project (investigation) | Low | C | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Pegasus Project revelations in India | Mid | C | 2 | October 2023 | Unsourced passages need footnotes {{citation needed}} (October 2023), Style editing needed (December 2023) |
| Penet remailer | Low | C | 2 | October 2018 | Unsourced passages need footnotes {{citation needed}} (October 2018), Unsourced passages need footnotes {{More citations needed}} (October 2018) |
| Penetration test | Mid | C | 4 | May 2013 | Factual verification needed (May 2013), Unsourced passages need footnotes {{More citations needed}} (September 2025), Unsourced passages need footnotes {{citation needed}} (September 2025, October 2025) |
| Pentera | Low | C | 1 | February 2024 | Promotional tone (February 2024) |
| Perimeter 81 | 1 | August 2023 | Promotional tone (August 2023) | ||
| Perion Network | 2 | February 2026 | Promotional tone (February 2026), Factual verification needed (March 2026) | ||
| Personal Antivirus | Low | Start | 1 | September 2024 | Orphaned (September 2024) |
| Personal data | 2 | April 2013 | Unsourced passages need footnotes {{citation needed}} (April 2013), Clarification needed (July 2019) | ||
| Personal firewall | Mid | Start | 2 | November 2008 | Unsourced passages need footnotes {{More citations needed}} (November 2008), Viewpoints needed (April 2009) |
| Personal identification number | High | C | 2 | August 2014 | Unsourced passages need footnotes {{citation needed}} (August 2014), CS1 errors: missing periodical |
| Personal identifier | Low | Stub | 1 | December 2009 | Unsourced passages need footnotes {{More citations needed}} (December 2009) |
| Peter Biddle (BLP) | 2 | February 2020 | Unsourced passages need footnotes {{citation needed}} (February 2020), Conflict of interest (April 2026) | ||
| Peter Garza (BLP) | Low | Stub | 3 | February 2013 | Promotional tone (February 2013), External link cleanup {{external links}} (February 2024), BLP articles lacking sources (November 2024) |
| Peter Gutmann (computer scientist) (BLP) | Mid | Start | 1 | August 2007 | Expansion needed (August 2007) |
| Peter Tippett (BLP) | Low | Start | 3 | March 2018 | Dead external links {{dead link}} (March 2018, February 2022, July 2024) |
| Peter Warren (journalist) (BLP) | Low | Start | 2 | December 2023 | CS1 errors: missing periodical, BLP articles lacking sources (December 2023) |
| PfSense | 1 | July 2018 | Cites unreliable sources (July 2018) | ||
| Phantom Access | Low | C | 1 | March 2018 | Dead external links {{dead link}} (March 2018) |
| Pharming | Mid | Start | 3 | November 2021 | Unsourced passages need footnotes {{citation needed}} (November 2021), Unsourced passages need footnotes {{More citations needed}} (August 2024, January 2025) |
| Phone Losers of America | Low | Start | 1 | December 2013 | Notability unclear (December 2013) |
| Phone hacking | Mid | Start | 2 | April 2026 | CS1 errors: missing periodical, Unsourced passages need footnotes {{citation needed}} (April 2026) |
| PhotoDNA | 2 | August 2022 | Unsourced passages need footnotes {{citation needed}} (August 2022), Failed verification (August 2022) | ||
| Phrack | Mid | C | 1 | November 2023 | Unsourced passages need footnotes {{citation needed}} (November 2023) |
| Phreaking | Mid | C | 7 | March 2012 | Unsourced passages need footnotes {{citation needed}} (March 2012, July 2014, January 2018, March 2020, February 2024), Unsourced passages need footnotes {{More citations needed}} (July 2014), Weasel-worded phrases (July 2014) |
| Physical information security | Low | C | 1 | June 2010 | Unsourced passages need footnotes {{More citations needed}} (June 2010) |
| Physical security | Top | C | 2 | August 2013 | Unsourced passages need footnotes {{citation needed}} (August 2013, June 2025) |
| Ping flood | 1 | October 2021 | Unsourced passages need footnotes {{More citations needed}} (October 2021) | ||
| Ping of death | Low | Start | 2 | April 2024 | Detailed references needed, Unsourced passages need footnotes {{More citations needed}} (April 2024) |
| Ping-Pong (computer virus) | 1 | February 2014 | Has general references but lacks inline footnotes (February 2014) | ||
| Play Integrity API | Low | Stub | 1 | October 2023 | Potentially dated statements (October 2023) |
| Plover-NET | Low | Start | 1 | CS1 errors: missing periodical | |
| Point-of-sale malware | 1 | January 2026 | Unsourced passages need footnotes {{citation needed}} (January 2026) | ||
| PoisonIvy | Low | Stub | 1 | July 2024 | Dead external links {{dead link}} (July 2024) |
| Police Central e-Crime Unit | Unknown | Start | 5 | March 2009 | Clarification needed (March 2009), Potentially dated statements (2013), Update needed (June 2021), Unsourced passages need footnotes {{citation needed}} (June 2021), Unsourced passages need footnotes {{More citations needed}} (June 2021) |
| Polipo | Mid | Start | 2 | CS1 errors: missing periodical, Pages with broken anchors (see article talk page, remove when fixed) | |
| Polycarbonate e-passport | 3 | July 2025 | Incomplete lists (July 2025), Dead external links {{dead link}} (October 2025), Unsourced passages need footnotes {{citation needed}} (April 2026) | ||
| Polyglot (computing) | 1 | September 2022 | Expansion needed (September 2022) | ||
| Polymorphic code | 1 | November 2010 | Unsourced passages need footnotes {{More citations needed}} (November 2010) | ||
| Port Control Protocol | 2 | March 2025 | CS1 errors: missing periodical, Expansion needed (March 2025) | ||
| Port knocking | 4 | October 2013 | Has general references but lacks inline footnotes (October 2013), Original research (February 2015), Unsourced passages need footnotes {{citation needed}} (November 2020, January 2023) | ||
| Positive Hack Days | 1 | March 2025 | Dead external links {{dead link}} (March 2025) | ||
| Post-quantum cryptography | 4 | August 2015 | Unsourced passages need footnotes {{citation needed}} (August 2015, March 2022, February 2024), Expansion needed (March 2026) | ||
| Potentially unwanted program | Mid | C | 1 | June 2020 | Unsourced passages need footnotes {{citation needed}} (June 2020) |
| Pre-boot authentication | Unknown | Stub | 2 | April 2008 | Unsourced passages need footnotes {{More citations needed}} (April 2008), Cleanup needed (January 2018) |
| Pretty Good Privacy | High | B | 9 | 2007 | Detailed references needed, Potentially dated statements (2007), Cites unreliable sources (June 2018), Minor POV problems (July 2021), Unsourced passages need footnotes {{More citations needed}} (November 2023), Style editing needed (November 2023), Vague or ambiguous time (February 2024), Update needed (November 2024), Unsourced passages need footnotes {{citation needed}} (July 2025) |
| Prevx | Low | C | 1 | February 2025 | Unsourced passages need footnotes {{citation needed}} (February 2025) |
| Principal (computer security) | Unknown | Stub | 1 | May 2012 | Has general references but lacks inline footnotes (May 2012) |
| Principle of least privilege | 2 | April 2019 | Unsourced passages need footnotes {{citation needed}} (April 2019), Unsourced passages need footnotes {{More citations needed}} (April 2019) | ||
| Privacy | High | C | 6 | December 2021 | Unsourced passages need footnotes {{citation needed}} (December 2021), Page number citations needed (April 2022), Limited geographic scope (June 2023), Expansion needed (June 2023), Clarification needed (July 2023), Promotional tone (July 2023) |
| Privacy in file sharing networks | Unknown | Start | 5 | May 2009 | Original research (May 2009), Unsourced passages need footnotes {{citation needed}} (March 2012), Unsourced passages need footnotes {{More citations needed}} (April 2013), Cleanup needed (January 2025), Style editing needed (January 2025) |
| Privacy law | High | Start | 11 | March 2016 | Clarification needed (March 2016), Unsourced passages need footnotes {{citation needed}} (April 2018, November 2019, May 2021, March 2025, October 2025), Update needed (May 2021), Pages with broken anchors (see article talk page, remove when fixed), Obsolete information (June 2025), Unsourced passages need footnotes {{More citations needed}} (December 2025), Original research (February 2026) |
| Privacy software | 1 | December 2023 | Unsourced passages need footnotes {{More citations needed}} (December 2023) | ||
| Privacy-Enhanced Mail | 1 | May 2017 | Unsourced passages need footnotes {{citation needed}} (May 2017) | ||
| Privacy-enhancing technologies | Unknown | Start | 4 | May 2020 | Dead external links {{dead link}} (May 2020), Disputed statements (June 2021), Clarification needed (January 2026), Link rot cleanup (March 2026) |
| Privacy-invasive software | High | Redirect | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Private Internet Access | 1 | September 2021 | Dead external links {{dead link}} (September 2021) | ||
| Privilege (computing) | 1 | April 2012 | Unsourced passages need footnotes {{More citations needed}} (April 2012) | ||
| Privilege escalation | 1 | September 2010 | Dead external links {{dead link}} (September 2010) | ||
| Privilege separation | 1 | September 2025 | Unsourced passages need footnotes {{More citations needed}} (September 2025) | ||
| Proactive cyber defence | High | Start | 2 | December 2010 | Has general references but lacks inline footnotes (December 2010), Limited geographic scope (January 2017) |
| Project Genoa | 1 | 2007 | Potentially dated statements (2007) | ||
| Project Honey Pot | 1 | February 2017 | Has general references but lacks inline footnotes (February 2017) | ||
| Project Zero | 1 | August 2023 | Introduction cleanup (August 2023) | ||
| Prompt injection | 2 | August 2025 | Cites unreliable sources (August 2025), Unsourced passages need footnotes {{citation needed}} (November 2025) | ||
| Proof of authority | 1 | January 2018 | Cites unreliable sources (January 2018) | ||
| Proof of secure erasure | Low | Start | 1 | April 2017 | Factual verification needed (April 2017) |
| Proof of space | 3 | March 2018 | Cites unreliable sources (March 2018), CS1 errors: missing periodical, Unsourced passages need footnotes {{citation needed}} (May 2024) | ||
| Proof of stake | 2 | 2017 | Potentially dated statements (2017), Viewpoints needed (December 2021) | ||
| Proprietary firmware | 2 | April 2023 | Wikipedia neutral point of view disputes (April 2023), Unsourced passages need footnotes {{citation needed}} (April 2023) | ||
| Protected Extensible Authentication Protocol | Low | C | 3 | April 2010 | Unsourced passages need footnotes {{citation needed}} (April 2010, March 2017), Vague or ambiguous time (April 2010) |
| Protected computer | Mid | Start | 1 | November 2025 | Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Protection mechanism | High | Stub | 1 | December 2025 | Update needed (December 2025) |
| Protection ring | High | B | 2 | February 2015 | Has general references but lacks inline footnotes (February 2015), Clarification needed (November 2015) |
| Protocol-based intrusion detection system | Mid | Stub | 1 | July 2024 | Unsourced passages need footnotes {{More citations needed}} (July 2024) |
| Proton Mail | 1 | September 2025 | Update needed (September 2025) | ||
| Proxmark3 | Low | C | 1 | September 2021 | Accuracy disputes or self-published (September 2021) |
| Proxy server | High | B | 7 | September 2021 | Potentially dated statements (September 2021), Unsourced passages need footnotes {{citation needed}} (July 2023, June 2025, March 2026), Clarification needed (April 2026, May 2026), Unsourced passages need footnotes {{More citations needed}} (May 2026) |
| Przemysław Frasunek (BLP) | Low | Stub | 1 | January 2014 | Notability unclear (January 2014) |
| Pseudonymization | Unknown | Start | 2 | January 2024 | Unsourced passages need footnotes {{More citations needed}} (January 2024), Promotional tone (March 2026) |
| Psychology in cybersecurity | Unknown | C | 2 | May 2026 | Has general references but lacks inline footnotes (May 2026), Original research (May 2026) |
| Public computer | Unknown | Stub | 3 | October 2008 | Unsourced passages need footnotes {{More citations needed}} (October 2008, February 2014), Original research (February 2014) |
| Public key certificate | 3 | April 2012 | Unsourced passages need footnotes {{citation needed}} (April 2012, September 2022, September 2024) | ||
| Public key infrastructure | High | C | 1 | January 2014 | Unsourced passages need footnotes {{More citations needed}} (January 2014) |
| Pumpic | Low | Start | 2 | June 2016 | Unsourced passages need footnotes {{More citations needed}} (June 2016), Notability unclear (June 2016) |
| Pwdump | 3 | June 2017 | Unsourced passages need footnotes {{More citations needed}} (June 2017, June 2023), Harv and Sfn no-target errors | ||
| Pwn2Own | 6 | March 2014 | Unsourced passages need footnotes {{citation needed}} (March 2014), Potentially dated statements (2019), Dead external links {{dead link}} (November 2019, July 2024), Update needed (December 2022, May 2026) | ||
| Pwnie Awards | Low | C | 2 | January 2013 | Unsourced passages need footnotes {{More citations needed}} (January 2013), Pages with broken anchors (see article talk page, remove when fixed) |
| QQ Browser | 2 | May 2019 | Update needed (May 2019), Unsourced passages need footnotes {{citation needed}} (November 2019) | ||
| Qihoo 360 | 1 | April 2023 | Dead external links {{dead link}} (April 2023) | ||
| Qiui | Low | Stub | 1 | January 2021 | Orphaned (January 2021) |
| Quad9 | 1 | December 2022 | Update needed (December 2022) | ||
| Quadrennial Dutch hacker convention | 2 | March 2011 | Weasel-worded phrases (March 2011), Unsourced passages need footnotes {{citation needed}} (April 2020) | ||
| Quahl | 1 | August 2024 | Update needed (August 2024) | ||
| Qualified Security Assessor | Low | Stub | 1 | August 2008 | Cites unreliable sources (August 2008) |
| Qualified digital certificate | Low | C | 1 | October 2018 | Unsourced passages need footnotes {{citation needed}} (October 2018) |
| Qualified website authentication certificate | Low | Start | 1 | December 2023 | Unsourced passages need footnotes {{citation needed}} (December 2023) |
| Qualys | 1 | November 2025 | Dead external links {{dead link}} (November 2025) | ||
| Quarantine (antivirus program) | Unknown | Stub | 5 | August 2009 | Clarification needed (August 2009), Too technical (September 2010), Links needing disambiguation (December 2025), Unsourced passages need footnotes {{citation needed}} (January 2026), Cites no sources (February 2026) |
| Qubes OS | 2 | May 2023 | Unsourced passages need footnotes {{citation needed}} (May 2023), Unsourced passages need footnotes {{More citations needed}} (December 2023) | ||
| RADIUS | Mid | C | 3 | April 2009 | Unsourced passages need footnotes {{citation needed}} (April 2009), Unsourced passages need footnotes {{More citations needed}} (April 2015), Reference errors |
| RCCA security | Low | Stub | 1 | March 2019 | Unsourced passages need footnotes {{More citations needed}} (March 2019) |
| RCMP Technical Security Branch | Low | Stub | 2 | January 2025 | Coordinates needed, Orphaned (January 2025) |
| RFID skimming | 3 | July 2019 | Accuracy disputes or self-published (July 2019), Unsourced passages need footnotes {{citation needed}} (March 2020, November 2021) | ||
| RFPolicy | Unknown | Stub | 1 | July 2024 | Unsourced passages need footnotes {{More citations needed}} (July 2024) |
| RISC-V | 14 | January 2017 | Potentially dated statements (January 2017, 2018, 2019, September 2021, December 2021, 2023), Unsourced passages need footnotes {{citation needed}} (December 2020, August 2023, November 2025), Failed verification (November 2021, January 2023), Clarification needed (July 2022), Disputed statements (November 2023), Promotional tone (March 2025) | ||
| ROT13 | 3 | December 2025 | Disputed statements (December 2025), Unsourced passages need footnotes {{citation needed}} (December 2025), Introduction cleanup (January 2026) | ||
| RSA blocker tag | Low | Stub | 1 | February 2026 | Notability unclear (February 2026) |
| RSAC Conference | Mid | Start | 2 | 2017 | Potentially dated statements (2017, 2024) |
| RSPlug | Low | Start | 1 | July 2012 | Unsourced passages need footnotes {{citation needed}} (July 2012) |
| Race condition | Mid | C | 6 | October 2016 | Expansion needed (October 2016), Factual verification needed (December 2016), Unsourced passages need footnotes {{citation needed}} (February 2018, April 2025), Unsourced passages need footnotes {{More citations needed}} (November 2025, June 2026) |
| Racetrack problem | Low | Stub | 1 | January 2011 | Unsourced passages need footnotes {{citation needed}} (January 2011) |
| Radare2 | Low | C | 2 | November 2016 | Unsourced passages need footnotes {{citation needed}} (November 2016), Dead external links {{dead link}} (July 2025) |
| Radia Perlman (BLP) | Mid | C | 1 | July 2025 | Dead external links {{dead link}} (July 2025) |
| Radiant Mercury | Low | Stub | 1 | June 2020 | Unsourced passages need footnotes {{More citations needed}} (June 2020) |
| Radwin | 4 | July 2018 | Promotional tone (July 2018), Unsourced passages need footnotes {{More citations needed}} (August 2021), Factual verification needed (April 2025), Unsourced passages need footnotes {{citation needed}} (April 2025) | ||
| Rafail Ostrovsky (BLP) | Low | Start | 2 | October 2021 | External link cleanup {{external links}} (October 2021), BLP articles lacking sources (October 2021) |
| Rainbow Series | Mid | Start | 1 | October 2022 | External link cleanup {{external links}} (October 2022) |
| Rainbow table | 3 | September 2010 | Too technical (September 2010), Unsourced passages need footnotes {{citation needed}} (January 2011, July 2013) | ||
| RainbowCrack | Unknown | Stub | 1 | September 2011 | Notability unclear (September 2011) |
| Ransomware | High | C | 6 | June 2017 | Original research (June 2017), Expansion needed (April 2019), Vague or ambiguous time (July 2021, August 2023), Potentially dated statements (2023), Cites unreliable sources (February 2025) |
| Raven (novel) | Low | Start | 1 | October 2025 | Orphaned (October 2025) |
| Raz-Lee | 1 | April 2018 | Dead external links {{dead link}} (April 2018) | ||
| ReCAPTCHA | Mid | B | 1 | October 2012 | Unsourced passages need footnotes {{citation needed}} (October 2012) |
| ReDoS | 2 | June 2026 | Copy edit needed (June 2026), Style editing needed (June 2026) | ||
| Reality Winner (BLP) | Mid | B | 1 | September 2020 | Potentially dated statements (September 2020) |
| Reception and criticism of WhatsApp security and privacy features | Low | C | 2 | July 2016 | Update needed (July 2016), Clarification needed (November 2021) |
| Recursive self-improvement | 1 | February 2026 | Original research (February 2026) | ||
| Red Cross data breach | 1 | June 2024 | Obsolete information (June 2024) | ||
| Red Hat Certification Program | 2 | August 2023 | Update needed (August 2023), Dead external links {{dead link}} (August 2025) | ||
| Red Hat Network | 2 | December 2009 | Potentially dated statements (December 2009), Cites unreliable sources (October 2012) | ||
| Red October (malware) | High | Start | 1 | August 2016 | Unsourced passages need footnotes {{citation needed}} (August 2016) |
| Red Star OS | 3 | July 2018 | Detailed references needed, Unsourced passages need footnotes {{citation needed}} (July 2018, June 2025) | ||
| Red team | Low | GA | 1 | June 2023 | Dead external links {{dead link}} (June 2023) |
| RedHack | Low | Start | 2 | December 2020 | Unsourced passages need footnotes {{citation needed}} (December 2020), Update needed (October 2021) |
| Reference counting | 4 | April 2009 | Unsourced passages need footnotes {{citation needed}} (April 2009, October 2013, October 2022), Unsourced passages need footnotes {{More citations needed}} (October 2015) | ||
| Register spring | Low | Stub | 1 | June 2018 | Orphaned (June 2018) |
| Regulation of self-driving cars | Low | B | 4 | November 2016 | Potentially dated statements (November 2016, April 2022, 2024, December 2024) |
| Reliance authentication | Unknown | Start | 1 | August 2018 | Unsourced passages need footnotes {{More citations needed}} (August 2018) |
| Reloaded (warez) | Low | Start | 2 | August 2011 | Cites unreliable sources (August 2011), Original research (August 2011) |
| Remedio | Low | C | 2 | April 2026 | CS1 errors: generic name, Promotional tone (April 2026) |
| Remote monitoring and management | Unknown | Start | 1 | January 2017 | Unsourced passages need footnotes {{More citations needed}} (January 2017) |
| Reproducible builds | 2 | May 2020 | Potentially dated statements (May 2020, March 2025) | ||
| Resilient control systems | 2 | November 2011 | Page number citations needed (November 2011), Links needing disambiguation (April 2026) | ||
| Retbleed | 1 | July 2022 | Dead external links {{dead link}} (July 2022) | ||
| Retina-X Studios | 1 | June 2014 | Unsourced passages need footnotes {{citation needed}} (June 2014) | ||
| RetroShare | 7 | June 2012 | Unsourced passages need footnotes {{More citations needed}} (June 2012), Cites unreliable sources (April 2013, November 2023), Unsourced passages need footnotes {{citation needed}} (August 2013), Style editing needed (June 2018), Promotional tone (September 2022), Dead external links {{dead link}} (August 2023) | ||
| Return-oriented programming | High | C | 3 | December 2022 | Unsourced passages need footnotes {{citation needed}} (December 2022, May 2025, May 2026) |
| Return-to-libc attack | High | Start | 1 | April 2009 | Unsourced passages need footnotes {{More citations needed}} (April 2009) |
| Reverse engineering | High | C | 5 | July 2014 | Unsourced passages need footnotes {{More citations needed}} (July 2014), Reference errors, Has general references but lacks inline footnotes (January 2018), Dead external links {{dead link}} (May 2023), Unsourced passages need footnotes {{citation needed}} (July 2023) |
| Rhysida (hacker group) | Low | Start | 1 | September 2025 | Unsourced passages need footnotes {{citation needed}} (September 2025) |
| Rich Communication Services | 3 | July 2024 | Wikipedia neutral point of view disputes (July 2024), Expansion needed (August 2024), Unsourced passages need footnotes {{citation needed}} (March 2026) | ||
| Richard Forno (BLP) | Low | Start | 1 | August 2025 | BLP articles lacking sources (August 2025) |
| Ricochet (software) | 2 | CS1 errors: missing title, CS1 errors: bare URL | |||
| Right to privacy | High | C | 4 | June 2013 | Unsourced passages need footnotes {{More citations needed}} (June 2013), Expansion needed (September 2020), Page number citations needed (April 2022), Unsourced passages need footnotes {{citation needed}} (June 2024) |
| Ring (company) | 1 | October 2024 | Unsourced passages need footnotes {{citation needed}} (October 2024) | ||
| Ring learning with errors | 1 | August 2016 | Failed verification (August 2016) | ||
| Ripcord Networks | Low | Stub | 2 | October 2025 | Notability unclear (October 2025), Unsourced passages need footnotes {{More citations needed}} (October 2025) |
| Risk | Top | C | 3 | October 2008 | Factual verification needed (October 2008), CS1 errors: periodical ignored, Update needed (September 2025) |
| Risk IT | Low | Redirect | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| Risk analysis (business) | High | Stub | 2 | March 2024 | Unsourced passages need footnotes {{More citations needed}} (March 2024), Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Risk appetite | Mid | C | 2 | July 2024 | Unsourced passages need footnotes {{More citations needed}} (July 2024), Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Risk-based authentication | Low | Start | 1 | March 2011 | Unsourced passages need footnotes {{More citations needed}} (March 2011) |
| Riskware | 1 | October 2020 | Notability unclear (October 2020) | ||
| Riverhead Networks | Low | Start | 2 | March 2018 | Unsourced passages need footnotes {{More citations needed}} (March 2018), Notability unclear (May 2025) |
| Rkhunter | Unknown | Stub | 1 | May 2023 | Cites unreliable sources (May 2023) |
| Robert C. Seacord (BLP) | Low | C | 1 | January 2018 | Unsourced passages need footnotes {{citation needed}} (January 2018) |
| Robert N. Rose (BLP) | Unknown | Start | 1 | December 2020 | Notability unclear (December 2020) |
| Robert Slade (BLP) | Low | C | 1 | April 2025 | Dead external links {{dead link}} (April 2025) |
| Robert Tappan Morris (BLP) | Mid | Start | 2 | August 2025 | Unsourced passages need footnotes {{citation needed}} (August 2025), Failed verification (October 2025) |
| Robert Willis (hacker) (BLP) | Low | C | 1 | February 2024 | Factual verification needed (February 2024) |
| Roger Dingledine (BLP) | Unknown | Start | 2 | 2006 | Potentially dated statements (2006, December 2016) |
| Roger R. Schell (BLP) | Low | Stub | 1 | December 2007 | BLP articles lacking sources (December 2007) |
| Rogue access point | 1 | August 2019 | Unsourced passages need footnotes {{More citations needed}} (August 2019) | ||
| Role-based access control | Mid | C | 1 | May 2012 | Introduction cleanup (May 2012) |
| RootedCON | Unknown | Start | 1 | September 2025 | Notability unclear (September 2025) |
| Rooting (Android) | 2 | 2011 | Potentially dated statements (2011), Unsourced passages need footnotes {{citation needed}} (April 2025) | ||
| Rootkit | 6 | 2005 | Potentially dated statements (2005), Accuracy disputes or self-published (November 2010, November 2010), Dead external links {{dead link}} (September 2012, April 2026), Unsourced passages need footnotes {{citation needed}} (July 2021) | ||
| Rop Gonggrijp (BLP) | Low | Start | 2 | June 2023 | Unsourced passages need footnotes {{citation needed}} (June 2023), Accuracy disputes or self-published (June 2023) |
| Ross J. Anderson | Low | C | 1 | April 2018 | Dead external links {{dead link}} (April 2018) |
| Rublon | Low | Start | 1 | June 2025 | Unsourced passages need footnotes {{More citations needed}} (June 2025) |
| Russian interference in the 2016 United States elections | High | B | 9 | February 2017 | Potentially dated statements (February 2017, March 2017), Failed verification (January 2019), Unsourced passages need footnotes {{citation needed}} (July 2019), Weasel-worded phrases (August 2023, March 2026), Too long (November 2024), Cites unreliable sources (January 2025), Dead external links {{dead link}} (October 2025) |
| Russian interference in the 2018 United States elections | Low | C | 1 | September 2019 | Update needed (September 2019) |
| Russian interference in the 2020 United States elections | Low | B | 4 | October 2019 | Potentially dated statements (October 2019, January 2020), CS1 errors: generic title, Clarification needed (December 2022) |
| Rustock botnet | Low | Start | 1 | January 2021 | Vague or ambiguous time (January 2021) |
| Ryan Lackey (BLP) | Low | Start | 5 | December 2022 | BLP articles lacking sources (December 2022), Has general references but lacks inline footnotes (December 2022), Accuracy disputes or self-published (December 2022), Clarification needed (December 2022), Promotional tone (December 2022) |
| Ryan Maness (BLP) | Low | Stub | 1 | CS1 errors: periodical ignored | |
| S/KEY | Low | Start | 1 | January 2013 | Unsourced passages need footnotes {{citation needed}} (January 2013) |
| SAINT (software) | 1 | July 2024 | Promotional tone (July 2024) | ||
| SAML 2.0 | Low | C | 3 | December 2019 | Too technical (December 2019), Cleanup needed (February 2020), Unsourced passages need footnotes {{citation needed}} (September 2023) |
| SAML metadata | Low | C | 2 | April 2024 | Has general references but lacks inline footnotes (April 2024), Rewrite needed (April 2024) |
| SCADA Strangelove | Low | C | 1 | October 2019 | Buzzword cleanup (October 2019) |
| SCL Group | 2 | September 2021 | Failed verification (September 2021), Unsourced passages need footnotes {{citation needed}} (September 2022) | ||
| SEC cybersecurity incident disclosure requirements | Low | Start | 1 | May 2026 | Orphaned (May 2026) |
| SELinux | High | C | 3 | April 2017 | Unsourced passages need footnotes {{citation needed}} (April 2017, November 2025), Update needed (January 2026) |
| SHA-1 | 4 | 2013 | Potentially dated statements (2013, 2020), Weasel-worded phrases (September 2015), Dead external links {{dead link}} (April 2018) | ||
| SHA-2 | 2 | December 2013 | Potentially dated statements (December 2013), Update needed (January 2026) | ||
| SHA-3 | 4 | April 2018 | Dead external links {{dead link}} (April 2018), Potentially dated statements (2022), Update needed (June 2023), Original research (July 2023) | ||
| SHACAL | 1 | September 2017 | Has general references but lacks inline footnotes (September 2017) | ||
| SM4 (cipher) | 1 | March 2022 | Unsourced passages need footnotes {{citation needed}} (March 2022) | ||
| SMS spoofing | Low | Start | 1 | October 2025 | Cites no sources (October 2025) |
| SOCKS | 2 | January 2022 | Unsourced passages need footnotes {{More citations needed}} (January 2022), Too technical (September 2025) | ||
| SONAR (Symantec) | Mid | Start | 1 | March 2017 | Unsourced passages need footnotes {{citation needed}} (March 2017) |
| SQL injection | High | C | 3 | March 2025 | Unsourced passages need footnotes {{citation needed}} (March 2025), Unsourced passages need footnotes {{More citations needed}} (March 2025), Clarification needed (March 2025) |
| SSLeay | Unknown | Stub | 1 | CS1 errors: periodical ignored | |
| STIR/SHAKEN | 5 | 2019 | Potentially dated statements (2019), Unsourced passages need footnotes {{citation needed}} (January 2020), CS1 errors: missing title, CS1 errors: bare URL, Update needed (September 2023) | ||
| SULFNBK.EXE | 1 | July 2014 | Has general references but lacks inline footnotes (July 2014) | ||
| SafeBreach | Low | Stub | 1 | July 2025 | Dead external links {{dead link}} (July 2025) |
| SafeInCloud | 1 | September 2018 | Notability unclear (September 2018) | ||
| SafeNet | Low | C | 3 | July 2019 | Unsourced passages need footnotes {{citation needed}} (July 2019), Unsourced passages need footnotes {{More citations needed}} (May 2024), Dead external links {{dead link}} (July 2025) |
| Safelayer Secure Communications | Low | Start | 5 | March 2018 | Cites unreliable sources (March 2018), Promotional tone (March 2018), Unsourced passages need footnotes {{More citations needed}} (March 2018), Dead external links {{dead link}} (May 2024), Orphaned (August 2024) |
| Sakura Samurai (group) | Low | Start | 1 | August 2021 | Conflict of interest (August 2021) |
| Sality | Low | C | 1 | April 2026 | Reference cleanup (April 2026) |
| Salsa20 | 1 | 2015 | Potentially dated statements (2015) | ||
| Salt (cryptography) | 1 | July 2013 | Unsourced passages need footnotes {{citation needed}} (July 2013) | ||
| Samhain (software) | Low | Stub | 2 | October 2014 | Unsourced passages need footnotes {{More citations needed}} (October 2014), Notability unclear (October 2014) |
| Samy Kamkar (BLP) | 3 | February 2022 | Failed verification (February 2022), Promotional tone (May 2023), Style editing needed (March 2026) | ||
| Sanctum Inc. | 1 | August 2025 | Dead external links {{dead link}} (August 2025) | ||
| Sandstorm Enterprises | Low | Start | 1 | March 2024 | Unsourced passages need footnotes {{citation needed}} (March 2024) |
| Sandworm (hacker group) | 2 | January 2025 | Unsourced passages need footnotes {{citation needed}} (January 2025, March 2026) | ||
| Sarah Gordon (computer scientist) (BLP) | Low | Start | 1 | December 2020 | Failed verification (December 2020) |
| Sarah Palin email hack | Low | C | 1 | June 2021 | Dead external links {{dead link}} (June 2021) |
| Sasser (computer worm) | 1 | June 2025 | Has general references but lacks inline footnotes (June 2025) | ||
| Scareware | Mid | Start | 2 | February 2022 | CS1 errors: missing periodical, Dead external links {{dead link}} (February 2022) |
| Scores (computer virus) | 1 | October 2015 | Unsourced passages need footnotes {{More citations needed}} (October 2015) | ||
| Scunthorpe problem | 2 | February 2021 | Dead external links {{dead link}} (February 2021), Style editing needed (October 2025) | ||
| Seahorse (software) | Low | Stub | 1 | September 2018 | Notability unclear (September 2018) |
| Searx | Unknown | C | 1 | August 2023 | Dead external links {{dead link}} (August 2023) |
| Seccomp | 2 | May 2012 | Update needed (May 2012), Unsourced passages need footnotes {{citation needed}} (November 2022) | ||
| Secure Computing Corporation | 2 | April 2012 | Minor POV problems (April 2012), Unsourced passages need footnotes {{More citations needed}} (October 2025) | ||
| Secure Shell | High | C | 2 | 2005 | Potentially dated statements (2005), Original research (June 2024) |
| Secure by design | High | Start | 1 | May 2026 | Unsourced passages need footnotes {{More citations needed}} (May 2026) |
| Secure channel | 4 | January 2008 | Unsourced passages need footnotes {{More citations needed}} (January 2008, November 2024), Weasel-worded phrases (July 2014), Unsourced passages need footnotes {{citation needed}} (November 2024) | ||
| Secure coding | Mid | Stub | 2 | September 2010 | Has general references but lacks inline footnotes (September 2010), Unsourced passages need footnotes {{More citations needed}} (September 2017) |
| Secure cookie | High | Start | 1 | October 2025 | Unsourced passages need footnotes {{More citations needed}} (October 2025) |
| Secure cryptoprocessor | Mid | C | 3 | May 2016 | Unsourced passages need footnotes {{citation needed}} (May 2016, May 2021), Unsourced passages need footnotes {{More citations needed}} (May 2016) |
| Secure file transfer program | 1 | December 2024 | Unsourced passages need footnotes {{More citations needed}} (December 2024) | ||
| Secure messaging | Low | C | 4 | March 2014 | Unsourced passages need footnotes {{More citations needed}} (March 2014), Unsourced passages need footnotes {{citation needed}} (August 2016, March 2018, September 2021) |
| Secure transmission | Low | Start | 2 | December 2012 | Rewrite needed (December 2012), Unsourced passages need footnotes {{More citations needed}} (December 2021) |
| SecureWare | Low | Stub | 1 | May 2024 | Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Secureworks | Unknown | Start | 2 | February 2024 | Potentially dated statements (February 2024), Dead external links {{dead link}} (December 2025) |
| Security Attribute Modulation Protocol | 2 | August 2011 | Cites no sources (August 2011), Too technical (August 2024) | ||
| Security Content Automation Protocol | Mid | C | 1 | September 2023 | Has general references but lacks inline footnotes (September 2023) |
| Security Now | Mid | Start | 2 | October 2021 | Notability unclear (October 2021), Accuracy disputes or self-published (October 2021) |
| Security Policy Framework | Low | Start | 1 | May 2018 | Dead external links {{dead link}} (May 2018) |
| Security Target | Low | Start | 1 | March 2024 | Unsourced passages need footnotes {{citation needed}} (March 2024) |
| Security Technical Implementation Guide | Low | Start | 1 | April 2025 | Unsourced passages need footnotes {{More citations needed}} (April 2025) |
| Security and privacy of iOS | 5 | August 2022 | Unsourced passages need footnotes {{citation needed}} (August 2022), Unsourced passages need footnotes {{More citations needed}} (December 2024), Introduction cleanup (December 2024), Wikipedia neutral point of view disputes (April 2025), Weasel-worded phrases (March 2026) | ||
| Security association | 1 | October 2019 | Cites unreliable sources (October 2019) | ||
| Security awareness | Low | Start | 1 | May 2015 | Has general references but lacks inline footnotes (May 2015) |
| Security controls | Top | Start | 4 | January 2012 | Clarification needed (January 2012), Cleanup needed (July 2024), Prose needed (July 2024), Expansion needed (July 2024) |
| Security engineering | Mid | Start | 1 | June 2017 | Unsourced passages need footnotes {{More citations needed}} (June 2017) |
| Security event management | Low | Start | 3 | January 2016 | Unsourced passages need footnotes {{citation needed}} (January 2016, September 2019), Expansion needed (May 2018) |
| Security hacker | Top | C | 2 | October 2008 | Unsourced passages need footnotes {{citation needed}} (October 2008, June 2026) |
| Security information and event management | 3 | March 2016 | Clarification needed (March 2016), Unsourced passages need footnotes {{citation needed}} (January 2024), Unsourced passages need footnotes {{More citations needed}} (February 2026) | ||
| Security information management | Low | Stub | 2 | May 2018 | Expansion needed (May 2018), Unsourced passages need footnotes {{More citations needed}} (May 2018) |
| Security level management | 1 | May 2017 | Has general references but lacks inline footnotes (May 2017) | ||
| Security management | High | Start | 2 | August 2011 | Has general references but lacks inline footnotes (August 2011), Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| Security modes | Mid | Stub | 1 | January 2020 | Has general references but lacks inline footnotes (January 2020) |
| Security of cryptographic hash functions | Unknown | Start | 4 | January 2019 | Disputed statements (January 2019), CS1 errors: missing periodical, CS1 errors: missing title, Vague or ambiguous time (August 2024) |
| Security of the Java software platform | High | Start | 1 | January 2014 | Unsourced passages need footnotes {{More citations needed}} (January 2014) |
| Security operations center | Low | Start | 1 | CS1 errors: external links | |
| Security policy | Unknown | Stub | 1 | December 2009 | Unsourced passages need footnotes {{More citations needed}} (December 2009) |
| Security switch | 1 | December 2019 | Unsourced passages need footnotes {{citation needed}} (December 2019) | ||
| Security testing | Mid | Stub | 1 | August 2019 | Unsourced passages need footnotes {{More citations needed}} (August 2019) |
| Security through obscurity | Mid | C | 1 | September 2022 | Clarification needed (September 2022) |
| Security token | High | C | 9 | February 2007 | Unsourced passages need footnotes {{citation needed}} (February 2007, June 2008, April 2013, September 2013, October 2016, March 2023), Style editing needed (September 2016), Unsourced passages need footnotes {{More citations needed}} (March 2023), Accuracy disputes or self-published (November 2024) |
| Security type system | Low | Start | 1 | July 2020 | Has general references but lacks inline footnotes (July 2020) |
| Security-evaluated operating system | Low | C | 1 | April 2025 | Weasel-worded phrases (April 2025) |
| SecurityFocus | Unknown | Stub | 3 | September 2023 | Unsourced passages need footnotes {{More citations needed}} (September 2023, June 2024), Notability unclear (September 2023) |
| Segmentation fault | 3 | November 2011 | Unsourced passages need footnotes {{More citations needed}} (November 2011), Weasel-worded phrases (December 2021), Dead external links {{dead link}} (July 2022) | ||
| SekChek Local | Low | Start | 1 | November 2018 | Dead external links {{dead link}} (November 2018) |
| Self-destruct | Low | C | 2 | September 2014 | Unsourced passages need footnotes {{citation needed}} (September 2014), Unsourced passages need footnotes {{More citations needed}} (May 2022) |
| Self-driving truck | Unknown | Start | 5 | 2014 | Potentially dated statements (2014, 2017), CS1 errors: missing periodical, CS1 errors: generic name, Expansion needed (May 2023) |
| Sender ID | 3 | March 2021 | Weasel-worded phrases (March 2021), Unsourced passages need footnotes {{citation needed}} (March 2021), Cites unreliable sources (May 2024) | ||
| Sender Keys | Unknown | Start | 1 | August 2025 | Unsourced passages need footnotes {{citation needed}} (August 2025) |
| SentinelOne | Unknown | Start | 1 | January 2025 | Potentially dated statements (January 2025) |
| Sentrigo | 1 | July 2024 | Notability unclear (July 2024) | ||
| Serene (pianist) (BLP) | Unknown | Start | 1 | January 2024 | Unsourced passages need footnotes {{citation needed}} (January 2024) |
| Serpent (cipher) | 2 | July 2010 | Unsourced passages need footnotes {{citation needed}} (July 2010, June 2016) | ||
| Server Name Indication | 3 | March 2021 | Unsourced passages need footnotes {{citation needed}} (March 2021, May 2025), Vague or ambiguous geographic scope (May 2025) | ||
| Server-Gated Cryptography | 2 | May 2016 | Unsourced passages need footnotes {{citation needed}} (May 2016), Clarification needed (May 2016) | ||
| Server-side request forgery | Unknown | Stub | 1 | October 2022 | Unsourced passages need footnotes {{More citations needed}} (October 2022) |
| Service account | Unknown | Start | 2 | January 2023 | Accuracy disputes or self-published (January 2023), Cites unreliable sources (January 2023) |
| Service central de la sécurité des systèmes d'informations | Low | Stub | 1 | July 2013 | Cites no sources (July 2013) |
| Service level indicator | 1 | July 2024 | Unsourced passages need footnotes {{More citations needed}} (July 2024) | ||
| Service set (802.11 network) | 1 | January 2025 | Unsourced passages need footnotes {{citation needed}} (January 2025) | ||
| Session fixation | High | Start | 3 | August 2010 | Unsourced passages need footnotes {{citation needed}} (August 2010), Has general references but lacks inline footnotes (April 2012), Original research (July 2019) |
| Session hijacking | 2 | June 2010 | Unsourced passages need footnotes {{More citations needed}} (June 2010), Failed verification (August 2024) | ||
| Shadow profile | Low | Stub | 2 | February 2024 | Unsourced passages need footnotes {{citation needed}} (February 2024), Clarification needed (February 2024) |
| Shadow stack | Mid | Stub | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |
| ShadowCrew | Low | C | 2 | August 2017 | Unsourced passages need footnotes {{citation needed}} (August 2017), Original research (August 2017) |
| Shatter attack | Low | B | 1 | October 2025 | Dead external links {{dead link}} (October 2025) |
| Shavlik Technologies | 2 | July 2024 | Style editing needed (July 2024), Dead external links {{dead link}} (March 2026) | ||
| Shawn Carpenter (BLP) | Low | Start | 2 | March 2007 | Potentially dated statements (March 2007), Has general references but lacks inline footnotes (October 2022) |
| Sheep dip (computing) | Low | Start | 1 | May 2022 | Unsourced passages need footnotes {{More citations needed}} (May 2022) |
| Shellcode | High | B | 1 | July 2025 | Has general references but lacks inline footnotes (July 2025) |
| Shellshock (software bug) | High | C | 2 | September 2014 | Unsourced passages need footnotes {{citation needed}} (September 2014), Introduction cleanup (November 2016) |
| Sherwood Applied Business Security Architecture | Mid | Start | 2 | January 2011 | Style editing needed (January 2011), Cites unreliable sources (April 2013) |
| ShinyHunters | 4 | May 2026 | CS1 errors: generic name, Update needed (May 2026), Original research (May 2026), Unsourced passages need footnotes {{citation needed}} (May 2026) | ||
| ShmooCon | 1 | April 2020 | Unsourced passages need footnotes {{More citations needed}} (April 2020) | ||
| Shnakule | 1 | April 2017 | Orphaned (April 2017) | ||
| Shon Harris | Low | Start | 1 | December 2020 | Unsourced passages need footnotes {{citation needed}} (December 2020) |
| Shred (Unix) | Mid | C | 1 | March 2015 | Has general references but lacks inline footnotes (March 2015) |
| Siddharth Garg (BLP) | Low | Start | 2 | February 2021 | BLP articles lacking sources (February 2021), Cites unreliable sources (February 2021) |
| Side-channel attack | 1 | CS1 errors: unsupported parameter | |||
| SiegedSec | Low | C | 2 | October 2024 | Unsourced passages need footnotes {{citation needed}} (October 2024, April 2026) |
| SigSpoof | 1 | September 2018 | Too technical (September 2018) | ||
| Signal (software) | 7 | January 2018 | Potentially dated statements (January 2018, August 2018, 2020, January 2021, January 2022, May 2022, January 2025) | ||
| Signal Foundation | 1 | October 2023 | Cites unreliable sources (October 2023) | ||
| Signal Protocol | 2 | October 2016 | Potentially dated statements (October 2016), Cites unreliable sources (February 2019) | ||
| SilverTerrier | Low | Start | 1 | January 2022 | Orphaned (January 2022) |
| Simple public-key infrastructure | 3 | October 2015 | Unsourced passages need footnotes {{citation needed}} (October 2015, June 2017, April 2026) | ||
| Single sign-on | High | C | 1 | July 2020 | Weasel-worded phrases (July 2020) |
| Singularity (operating system) | 2 | August 2011 | Unsourced passages need footnotes {{More citations needed}} (August 2011), Unsourced passages need footnotes {{citation needed}} (November 2025) | ||
| Site Security Handbook | Unknown | Stub | 1 | March 2015 | Unsourced passages need footnotes {{More citations needed}} (March 2015) |
| Site reliability engineering | 3 | May 2023 | Buzzword cleanup (May 2023), Unsourced passages need footnotes {{citation needed}} (October 2024), External link cleanup {{external links}} (February 2025) | ||
| Skype security | 2 | January 2013 | Unsourced passages need footnotes {{citation needed}} (January 2013), Dead external links {{dead link}} (October 2025) | ||
| Slopsquatting | Low | C | 1 | May 2026 | Vague or ambiguous time (May 2026) |
| Slowdroid | Low | Start | 1 | July 2015 | Cites unreliable sources (July 2015) |
| Slowloris (cyber attack) | 2 | December 2009 | Expansion needed (December 2009), Unsourced passages need footnotes {{More citations needed}} (April 2025) | ||
| Smudge attack | Low | Start | 1 | August 2023 | Off-topic sections (August 2023) |
| Smurf attack | Mid | C | 1 | CS1 errors: periodical ignored | |
| Snare (software) | Low | Start | 1 | July 2024 | Unsourced passages need footnotes {{More citations needed}} (July 2024) |
| Snowflake (software) | 2 | 2022 | Potentially dated statements (2022), Unsourced passages need footnotes {{citation needed}} (July 2024) | ||
| Sobig | Low | Start | 2 | 2018 | Potentially dated statements (2018), Unsourced passages need footnotes {{More citations needed}} (August 2023) |
| Social bot | 2 | October 2023 | Style editing needed (October 2023), Clarification needed (October 2023) | ||
| Social engineering (security) | High | C | 4 | May 2024 | CS1 errors: periodical ignored, Expansion needed (May 2024), Clarification needed (May 2026), Cites unreliable sources (May 2026) |
| Social hacking | Mid | C | 1 | May 2019 | Unsourced passages need footnotes {{citation needed}} (May 2019) |
| Software Guard Extensions | 3 | July 2022 | Expansion needed (July 2022), Dead external links {{dead link}} (May 2025), Weasel-worded phrases (August 2025) | ||
| Software assurance | Top | C | 1 | September 2023 | Dead external links {{dead link}} (September 2023) |
| Software cracking | Mid | Start | 3 | September 2013 | Original research (September 2013), Unsourced passages need footnotes {{More citations needed}} (September 2013), CS1 errors: missing periodical |
| Software forensics | Unknown | Stub | 2 | December 2020 | Original research (December 2020), Unsourced passages need footnotes {{citation needed}} (November 2024) |
| Software security assurance | High | Start | 4 | December 2010 | Unsourced passages need footnotes {{More citations needed}} (December 2010), Cleanup needed (June 2014), CS1 errors: missing periodical, Rewrite needed (February 2025) |
| Software testing | Low | C | 1 | September 2014 | Disputed statements (September 2014) |
| Software testing tactics | Low | Start | 11 | January 2008 | Unsourced passages need footnotes {{citation needed}} (March 2008, January 2008, November 2011, July 2012, March 2013, May 2016), Clarification needed (November 2011), Page number citations needed (March 2017), Cites unreliable sources (March 2017), CS1 errors: missing periodical, Pages with broken anchors (see article talk page, remove when fixed) |
| Software-defined perimeter | 2 | November 2021 | External link cleanup {{external links}} (November 2021), Dead external links {{dead link}} (December 2021) | ||
| Software-defined protection | Low | Start | 2 | May 2014 | Style editing needed (May 2014), Unsourced passages need footnotes {{More citations needed}} (June 2014) |
| Solidity | 5 | December 2018 | Factual verification needed (December 2018, February 2024), Harv and Sfn no-target errors, Cites unreliable sources (May 2021), Pages with broken anchors (see article talk page, remove when fixed) | ||
| Sony BMG copy protection rootkit scandal | Low | B | 2 | July 2024 | Unsourced passages need footnotes {{citation needed}} (July 2024), Dead external links {{dead link}} (September 2025) |
| Sophos | Mid | Start | 1 | October 2024 | Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Source code virus | 1 | January 2025 | Update needed (January 2025) | ||
| Sourcefire | 1 | July 2013 | Clarification needed (July 2013) | ||
| South African hacker history | Low | List | 7 | September 2020 | Unsourced passages need footnotes {{citation needed}} (September 2020), Cites unreliable sources (September 2020), Peacock terms (September 2020), Dead external links {{dead link}} (February 2022), Introduction cleanup (January 2026), Cleanup needed (January 2026), Prose needed (January 2026) |
| Spanish Network of Excellence on Cybersecurity Research | Unknown | Stub | 1 | October 2016 | Conflict of interest (October 2016) |
| Speck (cipher) | 1 | January 2019 | Unsourced passages need footnotes {{citation needed}} (January 2019) | ||
| Spectre (security vulnerability) | 5 | February 2019 | Expert attention needed (February 2024), Update needed (February 2019), Too technical (October 2022), Incomplete lists (January 2024) | ||
| Speculative Store Bypass | 1 | November 2018 | Update needed (November 2018) | ||
| SpiderOak | 1 | 2016 | Potentially dated statements (2016) | ||
| Splunk | 2 | January 2023 | Potentially dated statements (January 2023), Unsourced passages need footnotes {{citation needed}} (March 2026) | ||
| Spoiler (security vulnerability) | Low | Stub | 1 | 2019 | Potentially dated statements (2019) |
| Spoofing attack | 1 | August 2016 | Failed verification (August 2016) | ||
| Spy Wiper | 1 | April 2024 | Notability unclear (April 2024) | ||
| SpyHunter (security software) | Low | Stub | 1 | November 2020 | Notability unclear (November 2020) |
| SpySheriff | Low | C | 2 | December 2021 | Unsourced passages need footnotes {{citation needed}} (December 2021), Accuracy disputes or self-published (December 2021) |
| Spybot – Search & Destroy | 1 | August 2024 | Unsourced passages need footnotes {{More citations needed}} (August 2024) | ||
| Spyware | High | B | 6 | 2005 | Potentially dated statements (2005, 2006), Dead external links {{dead link}} (June 2016, December 2021), Unsourced passages need footnotes {{More citations needed}} (December 2018), Update needed (February 2026) |
| SpywareBlaster | Low | Stub | 3 | March 2016 | Notability unclear (March 2016), Unsourced passages need footnotes {{More citations needed}} (March 2016), Cites unreliable sources (March 2016) |
| Sqlmap | Low | Stub | 1 | CS1 errors: generic name | |
| Srizbi botnet | Low | C | 3 | November 2010 | Dead external links {{dead link}} (November 2010, April 2024), Clarification needed (January 2012) |
| Stacheldraht | 1 | April 2022 | Unsourced passages need footnotes {{citation needed}} (April 2022) | ||
| Stack buffer overflow | 3 | July 2022 | Unsourced passages need footnotes {{citation needed}} (July 2022), Clarification needed (September 2022), Dead external links {{dead link}} (January 2025) | ||
| Stack-based memory allocation | 2 | June 2022 | Original research (June 2022), Unsourced passages need footnotes {{More citations needed}} (June 2022) | ||
| Stagefright (bug) | Mid | C | 2 | August 2015 | Potentially dated statements (August 2015), CS1 errors: generic name |
| Stakkato (BLP) | Low | Start | 1 | November 2013 | Has general references but lacks inline footnotes (November 2013) |
| Stalkerware | Low | Start | 1 | May 2023 | Weasel-worded phrases (May 2023) |
| Standard of Good Practice for Information Security | Unknown | Start | 2 | May 2015 | Update needed (May 2015), Unsourced passages need footnotes {{More citations needed}} (October 2021) |
| Stanford Center for Internet and Society | Low | Stub | 2 | March 2014 | Expansion needed (March 2014), Unsourced passages need footnotes {{More citations needed}} (February 2022) |
| StankDawg (BLP) | Low | B | 5 | July 2009 | Unsourced passages need footnotes {{citation needed}} (July 2009), Dead external links {{dead link}} (December 2017), Notability unclear (November 2023), Conflict of interest (November 2023), Promotional tone (November 2023) |
| StarForce | Low | C | 1 | February 2008 | Unsourced passages need footnotes {{citation needed}} (February 2008) |
| Starlink | 14 | July 2020 | Potentially dated statements (July 2020, October 2020, May 2022, December 2025, June 2026), Vague or ambiguous time (October 2022), Unsourced passages need footnotes {{citation needed}} (December 2022, November 2024, August 2025, June 2026), Incomplete citations (July 2023), Update needed (May 2024, June 2026), Failed verification (August 2025) | ||
| Stars virus | Low | Start | 1 | January 2026 | Clarification needed (January 2026) |
| Startpage | Low | C | 1 | September 2025 | Unsourced passages need footnotes {{citation needed}} (September 2025) |
| Stegomalware | Low | Stub | 1 | January 2026 | Style editing needed (January 2026) |
| Stephen Heymann (BLP) | Low | Start | 5 | December 2019 | Vague or ambiguous time (December 2019), Update needed (December 2019), Clarification needed (December 2019), Unsourced passages need footnotes {{citation needed}} (October 2021), Pages with broken anchors (see article talk page, remove when fixed) |
| Stephen Huntley Watt (BLP) | 1 | July 2025 | Clarification needed (July 2025) | ||
| Steve Gibson (computer programmer) (BLP) | Low | Start | 5 | January 2019 | Potentially dated statements (January 2019, July 2021), Unsourced passages need footnotes {{citation needed}} (November 2022), Introduction cleanup (February 2024), Promotional tone (December 2024) |
| Steven M. Bellovin (BLP) | Low | Start | 4 | October 2019 | BLP articles lacking sources (October 2019, August 2023), Weasel-worded phrases (August 2023), Cites unreliable sources (August 2023) |
| Stoned (computer virus) | 1 | March 2022 | Accuracy disputes or self-published (March 2022) | ||
| StopBadware | Low | C | 1 | October 2021 | Cites unreliable sources (October 2021) |
| Storage security | 4 | May 2017 | Unsourced passages need footnotes {{More citations needed}} (May 2017), Expansion needed (May 2017), CS1 errors: missing title, CS1 errors: bare URL | ||
| Storm Worm | Low | C | 1 | March 2013 | Unsourced passages need footnotes {{citation needed}} (March 2013) |
| Storm botnet | High | C | 3 | November 2010 | Obsolete information (November 2010), Dead external links {{dead link}} (June 2018, November 2025) |
| Stration | 1 | April 2024 | Dead external links {{dead link}} (April 2024) | ||
| Stratus VOS | 5 | January 2016 | Unsourced passages need footnotes {{citation needed}} (January 2016), Vague or ambiguous time (January 2016, January 2026), Failed verification (January 2016), Unsourced passages need footnotes {{More citations needed}} (February 2021) | ||
| Stunnel | 4 | October 2019 | Unsourced passages need footnotes {{citation needed}} (October 2019, October 2023), Unsourced passages need footnotes {{More citations needed}} (January 2024), Cites unreliable sources (January 2024) | ||
| Stuxnet | 6 | December 2010 | Original research (December 2010), Weasel-worded phrases (December 2010, July 2017), Update needed (June 2012, December 2017), Unsourced passages need footnotes {{citation needed}} (March 2025) | ||
| Sub7 | Mid | Start | 1 | April 2014 | Unsourced passages need footnotes {{More citations needed}} (April 2014) |
| Summercon | 1 | July 2016 | Unsourced passages need footnotes {{citation needed}} (July 2016) | ||
| Superfish | High | C | 2 | June 2015 | Unsourced passages need footnotes {{citation needed}} (June 2015), Cites unreliable sources (July 2020) |
| Supermicro | 2 | June 2025 | Potentially dated statements (June 2025), Unsourced passages need footnotes {{citation needed}} (April 2026) | ||
| Supersingular isogeny key exchange | Low | Start | 3 | January 2022 | Unsourced passages need footnotes {{citation needed}} (January 2022), Disputed statements (September 2022), Too technical (July 2023) |
| Superuser | 1 | June 2022 | Unsourced passages need footnotes {{citation needed}} (June 2022) | ||
| Supply chain attack | 3 | December 2020 | Reference cleanup (December 2020), CS1 errors: generic name, Cites unreliable sources (February 2025) | ||
| Swatting | Mid | C | 1 | June 2024 | Limited geographic scope (June 2024) |
| SwiftOnSecurity (BLP) | Low | Stub | 1 | June 2025 | Failed verification (June 2025) |
| Switzerland (software) | 2 | March 2026 | Update needed (March 2026), Cites unreliable sources (March 2026) | ||
| Symantec Endpoint Protection | Low | GA | 1 | April 2024 | Dead external links {{dead link}} (April 2024) |
| Symlink race | Mid | Start | 1 | August 2016 | Unsourced passages need footnotes {{More citations needed}} (August 2016) |
| Synopsys | Mid | B | 1 | October 2025 | Potentially dated statements (October 2025) |
| Syrian Electronic Army | High | C | 4 | 2011 | Potentially dated statements (2011, 2013), Unsourced passages need footnotes {{citation needed}} (January 2015), Vague or ambiguous time (January 2015) |
| Syskey | 1 | July 2025 | Unsourced passages need footnotes {{citation needed}} (July 2025) | ||
| System Center Data Protection Manager | 2 | October 2012 | Unsourced passages need footnotes {{More citations needed}} (October 2012), Has general references but lacks inline footnotes (October 2012) | ||
| System Management Mode | High | Start | 2 | November 2010 | Unsourced passages need footnotes {{More citations needed}} (November 2010), Unsourced passages need footnotes {{citation needed}} (December 2021) |
| System Security Services Daemon | 1 | September 2018 | Notability unclear (September 2018) | ||
| System administrator | 1 | July 2025 | Unsourced passages need footnotes {{More citations needed}} (July 2025) | ||
| Systrace | Unknown | Start | 2 | May 2014 | Has general references but lacks inline footnotes (May 2014), Unsourced passages need footnotes {{More citations needed}} (May 2014) |
| TCP Stealth | 1 | May 2015 | Potentially dated statements (May 2015) | ||
| TCP half-open | 1 | March 2026 | Unsourced passages need footnotes {{More citations needed}} (March 2026) | ||
| TCP reset attack | 2 | July 2025 | Pages with broken anchors (see article talk page, remove when fixed), Unsourced passages need footnotes {{citation needed}} (July 2025) | ||
| THOTCON | 1 | February 2025 | Style editing needed (February 2025) | ||
| TIBER | Low | Stub | 1 | February 2023 | Orphaned (February 2023) |
| TLBleed | Low | Start | 1 | June 2018 | Potentially dated statements (June 2018) |
| TLS acceleration | 1 | July 2023 | Unsourced passages need footnotes {{More citations needed}} (July 2023) | ||
| TLS-PSK | 1 | September 2015 | Has general references but lacks inline footnotes (September 2015) | ||
| TR-CERT | Mid | C | 1 | CS1 errors: periodical ignored | |
| Tailored Access Operations | 1 | 2007 | Potentially dated statements (2007) | ||
| Talon Cyber Security | Unknown | Start | 1 | June 2025 | Notability unclear (June 2025) |
| Tanium | Low | Start | 1 | October 2022 | Unsourced passages need footnotes {{More citations needed}} (October 2022) |
| Tcpcrypt | 1 | March 2020 | Unsourced passages need footnotes {{citation needed}} (March 2020) | ||
| Teamp0ison | Mid | Start | 2 | May 2016 | Unsourced passages need footnotes {{citation needed}} (May 2016), Cleanup needed (June 2025) |
| Telegram (software) | 3 | June 2021 | Unsourced passages need footnotes {{citation needed}} (June 2021), Potentially dated statements (2024, March 2025) | ||
| Temporary Cyber Operations Act | Low | Stub | 2 | March 2024 | Orphaned (March 2024), Dead external links {{dead link}} (August 2025) |
| Terry Cutler (BLP) | Low | C | 3 | March 2018 | Orphaned (March 2018), Buzzword cleanup (September 2019), Dead external links {{dead link}} (August 2025) |
| Thanos (ransomware) | Low | Stub | 2 | November 2022 | Notability unclear (November 2022), Orphaned (September 2023) |
| Thawte | 3 | September 2020 | Unsourced passages need footnotes {{More citations needed}} (September 2020), Unsourced passages need footnotes {{citation needed}} (February 2023), Dead external links {{dead link}} (February 2023) | ||
| The CIS Critical Security Controls for Effective Cyber Defense | Low | Stub | 1 | November 2022 | Cites unreliable sources (November 2022) |
| The Coroner's Toolkit | Mid | Stub | 1 | March 2013 | Unsourced passages need footnotes {{More citations needed}} (March 2013) |
| The Crash (2017 film) | Low | Start | 1 | April 2017 | Unsourced passages need footnotes {{citation needed}} (April 2017) |
| The Cuckoo's Egg (book) | Low | Start | 1 | June 2024 | Unsourced passages need footnotes {{citation needed}} (June 2024) |
| The Dark Overlord (hacker group) | Low | Stub | 1 | November 2025 | Dead external links {{dead link}} (November 2025) |
| The Hacker's Handbook | Mid | Start | 2 | January 2014 | Unsourced passages need footnotes {{citation needed}} (January 2014), Unsourced passages need footnotes {{More citations needed}} (January 2014) |
| The Jester (hacktivist) (BLP) | Low | C | 1 | November 2022 | Accuracy disputes or self-published (November 2022) |
| The Open Group | High | Start | 2 | December 2022 | Cites unreliable sources (December 2022, September 2024) |
| The Tor Project | Top | C | 2 | June 2024 | Potentially dated statements (2024, June 2024) |
| The iSONEWS | Low | Start | 2 | March 2010 | Has general references but lacks inline footnotes (March 2010), Update needed (March 2010) |
| Thermal attack | Unknown | Start | 1 | CS1 errors: missing periodical | |
| Third-party cookies | Low | C | 3 | 2014 | Potentially dated statements (2014, 2024), Unsourced passages need footnotes {{More citations needed}} (January 2024) |
| Thomas Ristenpart (BLP) | Low | Start | 1 | August 2024 | Unsourced passages need footnotes {{More citations needed}} (August 2024) |
| ThreadSafe | Unknown | Stub | 2 | December 2018 | Cites unreliable sources (December 2018), Accuracy disputes or self-published (December 2018) |
| Threat (computer security) | 4 | July 2024 | Cleanup needed (July 2024), Prose needed (July 2024), Rewrite needed (July 2024), Dead external links {{dead link}} (May 2025) | ||
| Threat Intelligence Platform | 3 | July 2018 | Buzzword cleanup (July 2018), External link cleanup {{external links}} (November 2018), Unsourced passages need footnotes {{More citations needed}} (September 2019) | ||
| Threat assessment and management | Mid | C | 1 | July 2024 | Limited geographic scope (July 2024) |
| Threat model | Low | Start | 1 | May 2022 | Unsourced passages need footnotes {{citation needed}} (May 2022) |
| Three-stage quantum cryptography protocol | 1 | CS1 errors: missing periodical | |||
| Threefish | 1 | November 2015 | Unsourced passages need footnotes {{citation needed}} (November 2015) | ||
| Threshold theorem | 3 | December 2018 | Unsourced passages need footnotes {{citation needed}} (December 2018), Clarification needed (December 2018), CS1 errors: ISBN date | ||
| ThunderByte Antivirus | Low | Stub | 2 | December 2023 | Has general references but lacks inline footnotes (December 2023), Unsourced passages need footnotes {{citation needed}} (March 2025) |
| Thunderspy | 2 | May 2020 | Unsourced passages need footnotes {{More citations needed}} (May 2020), Unsourced passages need footnotes {{citation needed}} (May 2020) | ||
| Tiger (hash function) | 1 | April 2020 | Unsourced passages need footnotes {{citation needed}} (April 2020) | ||
| Tiger (security software) | Unknown | Stub | 2 | November 2011 | Style editing needed (November 2011), Dead external links {{dead link}} (March 2022) |
| Tim Newsham (BLP) | Low | Start | 4 | August 2008 | BLP articles lacking sources (August 2008), Clarification needed (April 2015), Unsourced passages need footnotes {{citation needed}} (April 2015), Conflict of interest (June 2021) |
| Time-of-check to time-of-use | Low | Start | 1 | July 2022 | Unsourced passages need footnotes {{More citations needed}} (July 2022) |
| Timeline of computer viruses and worms | High | Start | 4 | December 2013 | Failed verification (December 2013), Cleanup needed (November 2015, November 2015), Unsourced passages need footnotes {{citation needed}} (August 2020) |
| Timing attack | Mid | C | 1 | October 2012 | Unsourced passages need footnotes {{citation needed}} (October 2012) |
| Tinfoil Hat Linux | 3 | March 2010 | Has general references but lacks inline footnotes (March 2010), Style editing needed (April 2015), Unsourced passages need footnotes {{More citations needed}} (September 2017) | ||
| Titan Rain | Mid | Start | 1 | August 2025 | Unsourced passages need footnotes {{citation needed}} (August 2025) |
| Tokenization (data security) | 1 | CS1 errors: missing periodical | |||
| Tom Berson (BLP) | Low | Stub | 1 | January 2025 | Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Tom Cross (computer security) (BLP) | Low | Start | 3 | February 2017 | Cites unreliable sources (February 2017), BLP articles lacking sources (February 2017), Notability unclear (February 2017) |
| Tom Van Vleck (BLP) | Low | Start | 1 | May 2026 | Unsourced passages need footnotes {{More citations needed}} (May 2026) |
| Tomoyo Linux | Mid | Start | 1 | September 2010 | Unsourced passages need footnotes {{More citations needed}} (September 2010) |
| ToneLoc | Unknown | Stub | 1 | July 2022 | Unsourced passages need footnotes {{More citations needed}} (July 2022) |
| Toor (Unix) | Mid | C | 3 | February 2014 | Unsourced passages need footnotes {{More citations needed}} (February 2014, February 2026), Has general references but lacks inline footnotes (February 2026) |
| Tor (network) | 5 | 2012 | Potentially dated statements (2012), Accuracy disputes or self-published (April 2014), Factual verification needed (July 2018), Disputed statements (July 2018), Unsourced passages need footnotes {{citation needed}} (April 2022) | ||
| Tor Mail | Unknown | Start | 1 | June 2023 | Dead external links {{dead link}} (June 2023) |
| Tor2web | 1 | December 2014 | Potentially dated statements (December 2014) | ||
| TorrentLocker | Low | Start | 2 | March 2024 | Categories needed (March 2024), Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Tracking system | 3 | October 2007 | Unsourced passages need footnotes {{More citations needed}} (October 2007), Style editing needed (April 2023), Vague or ambiguous time (May 2025) | ||
| Trademark (computer security) | Low | C | 1 | February 2026 | Unsourced passages need footnotes {{More citations needed}} (February 2026) |
| Traffic analysis | Low | C | 6 | November 2007 | Unsourced passages need footnotes {{citation needed}} (November 2007), Original research (August 2009), Unsourced passages need footnotes {{More citations needed}} (November 2011), Style editing needed (November 2011), CS1 errors: missing periodical, Failed verification (August 2022) |
| Transient execution CPU vulnerability | 4 | June 2019 | Unsourced passages need footnotes {{citation needed}} (June 2019, June 2022, January 2026), Vague or ambiguous time (January 2026) | ||
| Transmission security | Mid | Stub | 1 | September 2024 | Unsourced passages need footnotes {{More citations needed}} (September 2024) |
| Transnet ransomware attack | 1 | May 2024 | Unsourced passages need footnotes {{citation needed}} (May 2024) | ||
| Transport Layer Security | 7 | February 2015 | Unsourced passages need footnotes {{citation needed}} (February 2015, February 2019), Potentially dated statements (August 2019, March 2025, June 2025), Pages with broken anchors (see article talk page, remove when fixed), Unsourced passages need footnotes {{More citations needed}} (April 2025) | ||
| Transport Layer Security Channel ID | 3 | September 2013 | Cites unreliable sources (September 2013), Unsourced passages need footnotes {{More citations needed}} (September 2013), CS1 errors: generic name | ||
| Trellix | Mid | B | 2 | August 2022 | Promotional tone (August 2022), Unsourced passages need footnotes {{citation needed}} (August 2025) |
| Trend Micro | 3 | August 2021 | Unsourced passages need footnotes {{citation needed}} (August 2021, June 2026), Dead external links {{dead link}} (August 2023) | ||
| TriGeo Network Security | Mid | C | 3 | February 2012 | Unsourced passages need footnotes {{More citations needed}} (February 2012), Promotional tone (February 2012), Dead external links {{dead link}} (July 2018) |
| Tribe Flood Network | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |||
| Tripwire (company) | 1 | May 2011 | Unsourced passages need footnotes {{citation needed}} (May 2011) | ||
| Trojan horse (computing) | High | C | 1 | CS1 errors: generic name | |
| Troy Hunt (BLP) | Low | Start | 4 | June 2018 | Potentially dated statements (June 2018, January 2023), Factual verification needed (April 2023), Slanted towards recent events (June 2025) |
| TrueCrypt | 2 | October 2017 | Unsourced passages need footnotes {{citation needed}} (October 2017), Dead external links {{dead link}} (July 2020) | ||
| TrueNAS | 2 | CS1 errors: missing title, CS1 errors: bare URL | |||
| Trusona | 2 | May 2022 | Promotional tone (May 2022), Has general references but lacks inline footnotes (October 2025) | ||
| Trust Domain Extensions | Low | C | 1 | November 2021 | Expansion needed (November 2021) |
| Trust on first use | Low | Start | 1 | May 2020 | Unsourced passages need footnotes {{citation needed}} (May 2020) |
| Trust seal | Mid | C | 3 | January 2014 | Unsourced passages need footnotes {{More citations needed}} (January 2014), CS1 errors: missing periodical, Unsourced passages need footnotes {{citation needed}} (April 2026) |
| Trusted Computer System Evaluation Criteria | Mid | Start | 2 | July 2018 | Unsourced passages need footnotes {{More citations needed}} (July 2018), Unsourced passages need footnotes {{citation needed}} (July 2018) |
| Trusted Computing | 3 | July 2014 | Cleanup needed (July 2014), List cleanup (July 2014), Clarification needed (March 2015) | ||
| Trusted Computing Group | 1 | CS1 errors: generic name | |||
| Trusted Execution Technology | 2 | July 2013 | Unsourced passages need footnotes {{More citations needed}} (July 2013), Cites unreliable sources (May 2017) | ||
| Trusted Information Security Assessment Exchange | Low | Stub | 1 | December 2022 | Orphaned (December 2022) |
| Trusted Information Systems | High | C | 1 | May 2024 | Unsourced passages need footnotes {{More citations needed}} (May 2024) |
| Trusted Network Connect | 1 | May 2017 | Unsourced passages need footnotes {{More citations needed}} (May 2017) | ||
| Trusted Platform Module | High | C | 5 | 2012 | Potentially dated statements (2012, 2025), Unsourced passages need footnotes {{citation needed}} (September 2021), Vague or ambiguous time (December 2022), Page number citations needed (December 2025) |
| Trusted client | Low | Stub | 1 | November 2013 | Unsourced passages need footnotes {{More citations needed}} (November 2013) |
| Trusted computing base | Mid | B | 3 | 2007 | Potentially dated statements (2007), Unsourced passages need footnotes {{citation needed}} (February 2019), Style editing needed (February 2020) |
| Trusted system | Low | C | 1 | June 2009 | Unsourced passages need footnotes {{citation needed}} (June 2009) |
| Trusted third party | 3 | January 2008 | Unsourced passages need footnotes {{More citations needed}} (January 2008), Unsourced passages need footnotes {{citation needed}} (April 2023), Clarification needed (April 2023) | ||
| Trusteer | Mid | C | 3 | June 2019 | Buzzword cleanup (June 2019), Pages with broken anchors (see article talk page, remove when fixed), Promotional tone (October 2024) |
| Trustico | 2 | August 2019 | Buzzword cleanup (August 2019), Unsourced passages need footnotes {{citation needed}} (November 2019) | ||
| Trustwave Holdings | 2 | January 2016 | Unsourced passages need footnotes {{citation needed}} (January 2016), Unsourced passages need footnotes {{More citations needed}} (November 2020) | ||
| Tsutomu Shimomura (BLP) | Unknown | Start | 1 | July 2022 | BLP articles lacking sources (July 2022) |
| Tufin | Low | Stub | 3 | June 2021 | Promotional tone (June 2021), Conflict of interest (June 2021), Notability unclear (July 2024) |
| Turbulence (NSA) | Low | Start | 2 | 2007 | Potentially dated statements (2007), Unsourced passages need footnotes {{citation needed}} (August 2013) |
| TurkHackTeam | Low | Start | 1 | December 2023 | Cites unreliable sources (December 2023) |
| Twinge attack | Low | Stub | 1 | September 2018 | Clarification needed (September 2018) |
| Twister (software) | 3 | July 2016 | Original research (July 2016), Unsourced passages need footnotes {{citation needed}} (November 2022), Incomplete citations (December 2023) | ||
| Twofish | 1 | 2000 | Potentially dated statements (2000) | ||
| Type conversion | 2 | May 2011 | Unsourced passages need footnotes {{More citations needed}} (May 2011), Original research (May 2018) | ||
| Type enforcement | Mid | Stub | 2 | November 2016 | Context needed (November 2016), Unsourced passages need footnotes {{More citations needed}} (December 2020) |
| Tõnu Samuel (BLP) | Low | Stub | 1 | January 2022 | Has general references but lacks inline footnotes (January 2022) |
| UEFI | Unknown | B | 14 | October 2017 | Weasel-worded phrases (October 2017), Unsourced passages need footnotes {{citation needed}} (October 2017, December 2021, July 2025, January 2026, April 2026), Failed verification (December 2020, November 2024, July 2025), Potentially dated statements (January 2025), Update needed (July 2025), Page number citations needed (July 2025), Clarification needed (July 2025), Unsourced passages need footnotes {{More citations needed}} (July 2025) |
| UGNazi | Low | Start | 1 | April 2026 | Update needed (April 2026) |
| US Cyber Challenge | Mid | Start | 1 | January 2026 | Orphaned (January 2026) |
| UV marker | Low | C | 3 | October 2014 | Unsourced passages need footnotes {{More citations needed}} (October 2014), Rewrite needed (March 2019), Unsourced passages need footnotes {{citation needed}} (May 2023) |
| UXu | Low | Stub | 2 | July 2017 | Unsourced passages need footnotes {{More citations needed}} (July 2017), Has general references but lacks inline footnotes (July 2017) |
| Ubiquiti | 2 | November 2016 | Unsourced passages need footnotes {{citation needed}} (November 2016, August 2024) | ||
| Uncomplicated Firewall | Low | Stub | 1 | May 2026 | Unsourced passages need footnotes {{citation needed}} (May 2026) |
| Undeletion | 2 | February 2017 | Unsourced passages need footnotes {{More citations needed}} (February 2017), Update needed (January 2025) | ||
| Undocumented feature | 1 | January 2023 | Unsourced passages need footnotes {{citation needed}} (January 2023) | ||
| United States Computer Emergency Readiness Team | Low | Start | 1 | December 2023 | Update needed (December 2023) |
| United States Cyber Command | High | B | 1 | November 2025 | Dead external links {{dead link}} (November 2025) |
| Universal 2nd Factor | 3 | 2015 | Potentially dated statements (2015), Unsourced passages need footnotes {{citation needed}} (July 2019), Style editing needed (April 2023) | ||
| Universal Plug and Play | 6 | August 2017 | Update needed (August 2017), Expansion needed (April 2023), Unsourced passages need footnotes {{More citations needed}} (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025, June 2025), Clarification needed (June 2025) | ||
| Unix security | High | Start | 5 | April 2024 | Unsourced passages need footnotes {{More citations needed}} (April 2024), Has general references but lacks inline footnotes (April 2024), Unsourced passages need footnotes {{citation needed}} (April 2024, May 2026), Cites unreliable sources (May 2026) |
| Unspent transaction output | 3 | March 2018 | Clarification needed (March 2018), Cites unreliable sources (March 2018), CS1 errors: periodical ignored | ||
| Upering | 1 | January 2019 | Rewrite needed (January 2019) | ||
| Uptane | Low | Start | 1 | CS1 errors: missing periodical | |
| User provisioning software | 1 | November 2019 | Has general references but lacks inline footnotes (November 2019) | ||
| Utimaco Atalla | Mid | C | 2 | March 2022 | CS1 errors: missing periodical, Unsourced passages need footnotes {{citation needed}} (March 2022) |
| VLAN hopping | 1 | July 2025 | Cleanup needed (July 2025) | ||
| VMAC | 1 | August 2010 | Unsourced passages need footnotes {{citation needed}} (August 2010) | ||
| VPNFilter | 3 | June 2018 | Weasel-worded phrases (June 2018), Update needed (May 2025), Dead external links {{dead link}} (July 2025) | ||
| VPNHub | 1 | Pages with broken anchors (see article talk page, remove when fixed) | |||
| VPNLab | Low | Stub | 1 | October 2025 | Unsourced passages need footnotes {{More citations needed}} (October 2025) |
| Van Eck phreaking | Low | C | 1 | October 2025 | Unsourced passages need footnotes {{citation needed}} (October 2025) |
| Variably Modified Permutation Composition | 2 | September 2015 | Unsourced passages need footnotes {{citation needed}} (September 2015), Dead external links {{dead link}} (October 2025) | ||
| Vault 7 | Unknown | C | 4 | January 2023 | Cites unreliable sources (January 2023, February 2024), Clarification needed (April 2024), Unsourced passages need footnotes {{citation needed}} (November 2024) |
| Vba32 AntiVirus | Unknown | Stub | 2 | January 2019 | Expansion needed (January 2019), Dead external links {{dead link}} (July 2020) |
| Venafi | Low | Start | 2 | January 2016 | Conflict of interest (January 2016), Notability unclear (June 2024) |
| Vendor | Low | Start | 1 | October 2024 | Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Veracode | 2 | February 2024 | Promotional tone (February 2024), Unsourced passages need footnotes {{citation needed}} (August 2025) | ||
| Veriato | Low | Start | 4 | May 2022 | Unsourced passages need footnotes {{citation needed}} (May 2022, February 2026), Unsourced passages need footnotes {{More citations needed}} (December 2023), Factual verification needed (February 2026) |
| Verisign | 2 | June 2012 | Unsourced passages need footnotes {{citation needed}} (June 2012), Unsourced passages need footnotes {{More citations needed}} (August 2013) | ||
| Vermilion box | Low | Stub | 2 | November 2022 | Cites unreliable sources (November 2022), Unsourced passages need footnotes {{More citations needed}} (November 2022) |
| Videntifier | Low | Stub | 3 | June 2021 | Conflict of interest (June 2021), Orphaned (May 2023), Unsourced passages need footnotes {{More citations needed}} (May 2024) |
| Vikram Sethi (BLP) | Low | Start | 1 | July 2020 | Factual verification needed (July 2020) |
| Vinny Troia (BLP) | Low | C | 1 | CS1 errors: external links | |
| Virgil D. Gligor (BLP) | Low | Start | 2 | September 2023 | CS1 errors: missing periodical, Cites unreliable sources (September 2023) |
| Virtual currency | 2 | September 2018 | Disputed statements (September 2018), Unsourced passages need footnotes {{citation needed}} (May 2019) | ||
| Virtual firewall | 3 | March 2018 | Disputed statements (March 2018), Unsourced passages need footnotes {{citation needed}} (March 2018), Dead external links {{dead link}} (January 2026) | ||
| Virtual private network | Mid | C | 11 | 2009 | Potentially dated statements (2009, 2025), Factual verification needed (June 2018), Off-topic sections (March 2023), Update needed (March 2023), Clarification needed (March 2023), Unsourced passages need footnotes {{citation needed}} (June 2023, June 2025, September 2025), Dead external links {{dead link}} (July 2024), Unsourced passages need footnotes {{More citations needed}} (September 2025) |
| Virtual security appliance | 2 | March 2008 | Clarification needed (March 2008), Cites no sources (August 2011) | ||
| Virtual security switch | 2 | July 2016 | Unsourced passages need footnotes {{More citations needed}} (July 2016), Weasel-worded phrases (July 2016) | ||
| Virus hoax | Low | C | 1 | August 2008 | Incomplete lists (August 2008) |
| VirusBuster | Unknown | Stub | 3 | November 2020 | Weasel-worded phrases (November 2020), Unsourced passages need footnotes {{citation needed}} (January 2023), Unsourced passages need footnotes {{More citations needed}} (July 2024) |
| Visitor management | Low | Start | 1 | October 2021 | Unsourced passages need footnotes {{citation needed}} (October 2021) |
| VoIP vulnerabilities | 3 | August 2023 | Context needed (August 2023), Clarification needed (August 2023), Unsourced passages need footnotes {{citation needed}} (August 2023) | ||
| Voice phishing | Mid | Stub | 2 | April 2021 | Unsourced passages need footnotes {{citation needed}} (April 2021, September 2022) |
| Void Manticore | Unknown | Start | 1 | June 2026 | Cites unreliable sources (June 2026) |
| Votebot | 1 | August 2021 | Unsourced passages need footnotes {{More citations needed}} (August 2021) | ||
| Voter-verified paper audit trail | High | C | 1 | January 2022 | Dead external links {{dead link}} (January 2022) |
| Voyager (computer worm) | Unknown | Stub | 1 | March 2010 | Has general references but lacks inline footnotes (March 2010) |
| Vulnerability (computer security) | 4 | May 2024 | Pages with broken anchors (see article talk page, remove when fixed), Unsourced passages need footnotes {{citation needed}} (May 2024, May 2025), Expansion needed (May 2025) | ||
| Vulnerability management | High | Start | 2 | June 2013 | Unsourced passages need footnotes {{More citations needed}} (June 2013), Page number citations needed (September 2023) |
| Vundo | High | Start | 2 | March 2026 | Dead external links {{dead link}} (March 2026), Unsourced passages need footnotes {{More citations needed}} (March 2026) |
| Vyatta | 1 | June 2011 | Cites unreliable sources (June 2011) | ||
| W32.Gammima.AG | Unknown | Stub | 1 | January 2019 | Orphaned (January 2019) |
| W32/Storm.worm | 4 | March 2010 | Has general references but lacks inline footnotes (March 2010), Notability unclear (August 2014), Dead external links {{dead link}} (March 2026), Incomplete citations (March 2026) | ||
| WARP (information security) | Mid | Stub | 2 | February 2024 | Limited geographic scope (February 2024), Notability unclear (February 2024) |
| WARRIOR PRIDE | High | Start | 1 | October 2015 | Unsourced passages need footnotes {{More citations needed}} (October 2015) |
| WLAN Authentication and Privacy Infrastructure | 3 | June 2010 | Unsourced passages need footnotes {{citation needed}} (June 2010, August 2014), Weasel-worded phrases (August 2014) | ||
| WS-Federation | 1 | October 2015 | Notability unclear (October 2015) | ||
| WS-Security | Low | Stub | 2 | January 2010 | Unsourced passages need footnotes {{citation needed}} (January 2010), Unsourced passages need footnotes {{More citations needed}} (July 2024) |
| WS-Trust | Low | Start | 2 | January 2012 | Unsourced passages need footnotes {{citation needed}} (January 2012), Unsourced passages need footnotes {{More citations needed}} (October 2023) |
| WannaCry ransomware attack | 3 | CS1 errors: missing title, CS1 errors: bare URL, Pages with broken anchors (see article talk page, remove when fixed) | |||
| WarGames | Low | C | 3 | September 2023 | Unsourced passages need footnotes {{More citations needed}} (September 2023), Unsourced passages need footnotes {{citation needed}} (December 2023), Dead external links {{dead link}} (February 2024) |
| Warchalking | Low | Start | 1 | June 2013 | Expansion needed (June 2013) |
| Wardialing | Unknown | Start | 2 | February 2009 | Unsourced passages need footnotes {{More citations needed}} (February 2009), Unsourced passages need footnotes {{citation needed}} (September 2013) |
| Wardriving | 2 | August 2008 | Original research (August 2008), Update needed (January 2026) | ||
| Watering hole attack | 1 | September 2025 | Unsourced passages need footnotes {{citation needed}} (September 2025) | ||
| 4 | May 2026 | CS1 errors: missing title, CS1 errors: bare URL, Dead external links {{dead link}} (May 2026, June 2026) | |||
| Web Services Security Kerberos Binding | 1 | April 2025 | Unsourced passages need footnotes {{More citations needed}} (April 2025) | ||
| Web access management | Mid | C | 1 | August 2025 | Unsourced passages need footnotes {{More citations needed}} (August 2025) |
| Web application firewall | 1 | July 2024 | Unsourced passages need footnotes {{citation needed}} (July 2024) | ||
| Web beacon | 2 | November 2022 | Expansion needed (November 2022), Unsourced passages need footnotes {{citation needed}} (June 2024) | ||
| Web hosting control panel | 1 | June 2022 | Unsourced passages need footnotes {{More citations needed}} (June 2022) | ||
| Web of trust | Low | C | 3 | January 2018 | Unsourced passages need footnotes {{citation needed}} (January 2018), Unsourced passages need footnotes {{More citations needed}} (May 2023), Original research (April 2024) |
| Web shell | Unknown | Start | 1 | April 2021 | Unsourced passages need footnotes {{citation needed}} (April 2021) |
| Web threat | Unknown | Start | 1 | January 2019 | Cites unreliable sources (January 2019) |
| WebAssembly | 3 | March 2024 | Potentially dated statements (March 2024), Unsourced passages need footnotes {{citation needed}} (November 2025, December 2025) | ||
| WebAuthn | 1 | February 2024 | Too technical (February 2024) | ||
| WebScarab | Low | Stub | 1 | October 2023 | Update needed (October 2023) |
| Webroot | Low | Start | 4 | June 2021 | Conflict of interest (June 2021), Promotional tone (January 2025), Cites unreliable sources (January 2025), Dead external links {{dead link}} (August 2025) |
| Website defacement | Unknown | Stub | 1 | December 2012 | Unsourced passages need footnotes {{More citations needed}} (December 2012) |
| Website spoofing | High | Start | 2 | July 2014 | Rewrite needed (July 2014), Update needed (June 2022) |
| Well equidistributed long-period linear | Low | Start | 2 | November 2017 | Unsourced passages need footnotes {{More citations needed}} (November 2017), External link cleanup {{external links}} (November 2017) |
| Whale (computer virus) | 1 | April 2024 | Unsourced passages need footnotes {{citation needed}} (April 2024) | ||
| WhatsApp snooping scandal | Low | Start | 2 | November 2019 | Limited geographic scope (November 2019), Accuracy disputes or self-published (December 2024) |
| Whitelist | Low | Start | 2 | July 2020 | Unsourced passages need footnotes {{More citations needed}} (July 2020), Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Whiz Kids (TV series) | Low | C | 1 | May 2020 | Unsourced passages need footnotes {{citation needed}} (May 2020) |
| Wi-Fi Protected Access | 3 | 2010 | Potentially dated statements (2010, 2013), Failed verification (December 2025) | ||
| Wi-Fi Protected Setup | Mid | C | 4 | November 2014 | Vague or ambiguous time (November 2014), Unsourced passages need footnotes {{More citations needed}} (April 2025, May 2025), Unsourced passages need footnotes {{citation needed}} (April 2025) |
| Wi-Fi positioning system | 1 | 2019 | Potentially dated statements (2019) | ||
| WiGLE | 2 | August 2024 | Dead external links {{dead link}} (August 2024), Update needed (August 2024) | ||
| Wim van Eck (BLP) | Unknown | Stub | 1 | May 2025 | Cites unreliable sources (May 2025) |
| WinGate | 1 | November 2011 | Unsourced passages need footnotes {{More citations needed}} (November 2011) | ||
| Windows Firewall | High | Start | 1 | April 2018 | Unsourced passages need footnotes {{citation needed}} (April 2018) |
| Windows Live OneCare | Mid | B | 1 | April 2009 | Unsourced passages need footnotes {{citation needed}} (April 2009) |
| Windows Live OneCare Safety Scanner | Unknown | Start | 5 | April 2011 | Dead external links {{dead link}} (April 2011, December 2016), Unsourced passages need footnotes {{citation needed}} (April 2011), Unsourced passages need footnotes {{More citations needed}} (January 2015, July 2024) |
| Windows Metafile vulnerability | Unknown | C | 1 | CS1 errors: requires URL | |
| Windows Search | 4 | January 2012 | Unsourced passages need footnotes {{More citations needed}} (January 2012), Clarification needed (September 2014), Too technical (October 2014), Dead external links {{dead link}} (April 2019) | ||
| Windows Update | 2 | 2008 | Potentially dated statements (2008, 2021) | ||
| Winn Schwartau (BLP) | 1 | August 2021 | Conflict of interest (August 2021) | ||
| WireGuard | 3 | March 2021 | Potentially dated statements (March 2021), Cites unreliable sources (July 2025), Accuracy disputes or self-published (July 2025) | ||
| Wireless Battle of the Mesh | Low | Start | 1 | CS1 errors: missing periodical | |
| Wireless Transport Layer Security | Low | Start | 1 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024) |
| Wireless access point | 1 | August 2019 | Unsourced passages need footnotes {{More citations needed}} (August 2019) | ||
| Wireless identity theft | 4 | May 2009 | Cites unreliable sources (May 2009), Vague or ambiguous time (August 2015), Unsourced passages need footnotes {{citation needed}} (August 2015), Dead external links {{dead link}} (March 2023) | ||
| Wireless security | 4 | March 2008 | Unsourced passages need footnotes {{citation needed}} (March 2008, December 2021), Weasel-worded phrases (January 2016), Dead external links {{dead link}} (March 2024) | ||
| Wireshark | 2 | June 2013 | Unsourced passages need footnotes {{citation needed}} (June 2013), Clarification needed (March 2015) | ||
| Wiz, Inc. | Low | Start | 1 | November 2024 | Potentially dated statements (November 2024) |
| World Wide Web | 8 | 1997 | Potentially dated statements (1997), Page number citations needed (September 2016), Cites unreliable sources (November 2016, August 2022), Disputed statements (July 2019), Unsourced passages need footnotes {{citation needed}} (March 2021, May 2025), Vague or ambiguous time (September 2023) | ||
| World of Hell | 2 | October 2011 | Unsourced passages need footnotes {{citation needed}} (October 2011, November 2023) | ||
| X.509 | 10 | 2004 | Potentially dated statements (2004, January 2016, 2017, May 2017), Unsourced passages need footnotes {{citation needed}} (March 2011, January 2012, May 2014), Clarification needed (March 2018), Weasel-worded phrases (April 2020), Failed verification (January 2024) | ||
| XDedic | Low | Start | 2 | May 2018 | Unsourced passages need footnotes {{citation needed}} (May 2018), Dead external links {{dead link}} (July 2025) |
| XKMS | 2 | September 2017 | Has general references but lacks inline footnotes (September 2017), Cites unreliable sources (September 2017) | ||
| XKeyscore | 2 | 2007 | Potentially dated statements (2007), Unsourced passages need footnotes {{citation needed}} (June 2024) | ||
| XML Encryption | 1 | September 2024 | Clarification needed (September 2024) | ||
| XSS worm | Low | Stub | 2 | November 2012 | Unsourced passages need footnotes {{citation needed}} (November 2012), Off-topic sections (March 2025) |
| Xbox Underground | Low | C | 1 | May 2025 | Cites unreliable sources (May 2025) |
| Xcitium | 6 | February 2018 | Unsourced passages need footnotes {{citation needed}} (February 2018), Dead external links {{dead link}} (December 2023), Promotional tone (July 2024), Cleanup needed (January 2025), Style editing needed (January 2025), Cites unreliable sources (January 2025) | ||
| Xorshift | 2 | June 2026 | Disputed statements (June 2026), Unsourced passages need footnotes {{citation needed}} (June 2026) | ||
| Yarrow algorithm | 3 | November 2015 | Prose needed (November 2015), Unsourced passages need footnotes {{More citations needed}} (November 2015), Cleanup needed (November 2015) | ||
| Yasca | Low | Start | 1 | September 2010 | Unsourced passages need footnotes {{More citations needed}} (September 2010) |
| YubiKey | Low | Start | 2 | November 2024 | Cites unreliable sources (November 2024), Potentially dated statements (March 2026) |
| ZRTP | 1 | December 2012 | Cites unreliable sources (December 2012) | ||
| Zach Schwitzky (BLP) | Low | Start | 1 | October 2020 | Orphaned (October 2020) |
| Zango (company) | Low | C | 5 | April 2010 | Potentially dated statements (April 2010, August 2010, August 2011), Dead external links {{dead link}} (October 2010, July 2025) |
| Zardoz (computer security) | 2 | March 2009 | Clarification needed (March 2009), Unsourced passages need footnotes {{More citations needed}} (October 2015) | ||
| Zeobit | 2 | August 2017 | Unsourced passages need footnotes {{citation needed}} (August 2017), Unsourced passages need footnotes {{More citations needed}} (September 2024) | ||
| Zero trust architecture | 2 | January 2026 | Unsourced passages need footnotes {{citation needed}} (January 2026), Failed verification (January 2026) | ||
| Zero-day vulnerability | High | C | 1 | 2017 | Potentially dated statements (2017) |
| ZeroAccess botnet | 3 | December 2013 | Unsourced passages need footnotes {{citation needed}} (December 2013), Dead external links {{dead link}} (March 2023, June 2026) | ||
| Zeroday Emergency Response Team | 2 | October 2014 | Unsourced passages need footnotes {{More citations needed}} (October 2014), Notability unclear (October 2014) | ||
| Zerodium | Low | Start | 1 | August 2023 | Dead external links {{dead link}} (August 2023) |
| Zimperium | Low | Start | 1 | August 2023 | Dead external links {{dead link}} (August 2023) |
| Zlob trojan | 3 | April 2019 | Unsourced passages need footnotes {{citation needed}} (April 2019), Update needed (January 2021), Clarification needed (January 2021) | ||
| Zombie Zero | Low | Start | 1 | December 2016 | Has general references but lacks inline footnotes (December 2016) |
| Zombie cookie | 1 | May 2025 | Unsourced passages need footnotes {{citation needed}} (May 2025) | ||
| Zone-H | Low | Stub | 2 | December 2019 | Unsourced passages need footnotes {{More citations needed}} (December 2019), Introduction cleanup (March 2023) |
| ZoneAlarm | Mid | Start | 1 | March 2025 | Unsourced passages need footnotes {{citation needed}} (March 2025) |
| Zooko's triangle | Low | Start | 2 | July 2021 | Unsourced passages need footnotes {{citation needed}} (July 2021), Cites unreliable sources (October 2025) |
| Zoom Communications | 1 | January 2025 | Potentially dated statements (January 2025) | ||
| Zotob | Low | Start | 4 | February 2009 | Clarification needed (February 2009), Unsourced passages need footnotes {{citation needed}} (February 2010), Dead external links {{dead link}} (June 2021, February 2022) |
| Zuppa Geo Navigation | Low | C | 1 | February 2026 | Orphaned (February 2026) |